Punnett Square Probability Worksheet

Clink is type “A” and Mr. Section 11 2 Probability And Punnett Square Answer. Use a Punnett square to determine the probability. AO+ AO- Observed Value Expected Value Deviation (d) O-E Deviation Squared (d2). A pink flower is crossed with a red flower. tt Tt Tt TT T t t T Q: By observing the Punnett square, what is the probability of having a tall pea plant from this cross, and the probability of having a short pea plant?. Draw a Punnett square showing all the possible blood types for the offspring produced by a type "O" mother and an a type "AB" father Mrs. Punnett square Diagram that list all possible combinations that might result from a genetic cross. Punnett Squares: 11. C p eyes (d) What is the probability that the kids would have round eyes? (e) What is the probability that the kids would be oval eyes? Q) % 6. Considering genotypes, the Punnett square suggests the probability that for every four offspring, two will be heterozygous tall(Tt) and two will be homozygous(tt) short. Set up a punnett square using the following information: • Dominate allele for tall plants = D • Recessive allele for dwarf plants = d • Dominate allele for purple flowers = W • Recessive allele for white flowers = w • Cross a homozygous dominate parent (DDWW) with a homozygous recessive parent (ddww) 2. These two parents are heterozygotes. Sometimes the problems won't give you obvious information. Punnett Squares are visual tools used in the science of genetics to determine the possible combinations of genes that will occur at fertilization. Multi-trait Punnett Squares are large. A white rabbit would have a genotype of bb and a black rabbit could have a genotype of BB or Bb. Therefore, we have to calculate what would happen in each case. In corn plants, normal height, N, is dominant to short height, n. And Inside the Punnett Square is; XX, XY, XX, XY in each square starting from top to bottem. Make a Punnett square to determine the chance of getting each genotype and phenotype below. Would it be better for Leopold to have only sons or only daughters? 7. Learn about incomplete dominance and codominance, dominant and recessive alleles, genotype and phenotype. Punnett in 1906 to visualize all the possible combinations of different types of gametes in particular crosses or breeding experiments (each gamete is combination of one maternal allele with one paternal allele for each gene being studied in the cross). What is the probability of the offspring being red? i. Dihybrid Punnett Square Practice Problems (continued). Use Mendelian genetics to identify the expected outcomes for this single-trait cross. Punnett Square. Color blindness is shown as Xb. Notice that there are three dark green squares inside the Punnett square. This mathematical tool was invented by English geneticist Reginald Punnett in the early 20th century. Explain the difference between incomplete dominance and codominance: 2. 8) Ralph has type B blood and his wife Rachel has type A blood. The same chances apply every time the parents reproduce, regardless 0K what happened in the Éirst cross. Punnett Squares – Monohybrid, Dihybrid and Sex-Linked Crosses 5/07 Integrated Science 2 Name: Period: Background Original parents in any given set of crosses are called the parent generation or parentals, while the two subsequent generations are denoted with the symbols F1 and F2 (a cross of two F1 individuals). Possible genotypes for their red hair (recessive trait) and freckles (dominant trait) are: rr only for red hair and Ff or FF for freckles. The likelihood that a particular event will occur is called. Hardy-Weinberg Punnett Square Paul Andersen explains how you can combine the power of a Punnett square for an entire gene pool. Probability of Inheritance: No. After students do the fruit ly Punnett recessive form, w, through the process of meiosis. Dihybrid Cross Worksheet 1. Dihybrid Cross Practice Problems 1. The phenotype is the physical appearance of an organism and the genotype is the inherited combination of alleles. Write the genotype for a homozygous dominant striped squash. Determine the genotype and phenotype ratios for. Use the genotypes in above to complete the Punnett square below and then answer the questions. Punnett Square Worksheet – Click the link to download a free worksheet to use with your students as you work through this material, including a few sample problems. Do the Punnett square. The Punnett Squares show the following genotypes for the children: Both parents have rr. B stands for the black allele and b represents the white allele. 4 Set up a Punnett Square with the gametes entered along the left side and across the top of the matrix. pdf] - Read File Online. 5: Life Science - Traits & Genes H. Dihybrid Punnett Squares Worksheet: Two-factor crosses In pea plants, green pod color is dominant over yellow pod color. The letters in the Punnett square represent alleles. This Probabilities, Dihybrid and Test Crosses Video is suitable for 9th - 12th Grade. Probability. WW, Ww and ww b. A Punnett Square for a tetrahybrid cross contains 256 boxes with 16 phenotypes and 81 genotypes. It is known one homozygous phenotype is red (CR). In Andalusian fowls, black individuals (B) and white individuals (W) are homozygous. Provide a punnett square to support your answers where indicated. Notice that there are three dark green squares inside the Punnett square. Write the genotype for a homozygous dominant striped squash. A Punnet square shows the genes (represented by letters) in the parents' gametes along the top and left-hand side of a. Answer these questions based on your Punnett square. Learning Goals Create Punnett squares to determine the most probable genotype and phenotype for a given cross. Expected number of offspring: Short hair (SS or Ss) Long hair (ss) b. What is the probability of the offspring being white? j. We attempted to get some great Incomplete Dominance And Codominance Practice Problems Worksheet Answer Key As Well As Punnett Square Worksheet By Kpolson Via Slideshare image for you. Monohybrid Crosses (Monohybrid crosses look at one character such as hair color.    Punnett Square looks like a two-dimensional table, where over the square horizontally fit the gametes of one parent, and the left edge of the square in the vertical - the gametes of the other parent. Identify the gametes from each parent. Show the Punnett square, list all possible phenotypes. What is the. Content Standards — NGSS MS-LS2-4. This means that there is a 75% probability that an offspring will have the dominant trait and a 25% probability that an offspring will have a recessive trait. 11 2 probability punnett squares worksheet answers are a good way to achieve details about operating certainproducts. My name is Lauren and I have a quick question that I really need help with please On my worksheet, there is a Punnett Square. Independent Practice - Punnett Squares Practice 15 minutes Students will use the Introductory Genetics Practice Worksheet to reinforce their skill to set-up the Punnett square, complete the genetic cross, and most importantly calculate the probability of genotypic and phenotypic outcomes in the form of a ratio. Punnett Square crosses are based on meiosis, a biological process where. Green color is dominant to white, and a long shape is dominant to round. codomin… Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The Punnett Squares show the following genotypes for the children: Both parents have rr. Genetics Problems Worksheet Simple Monohybrid Crosses A simple monohybrid cross deals with only one set of characteristics caused by one pair of genes. Taught through the lens of cystic fibrosis. striped squash (S) is dominant to spotted squash (s) If a. Punnett Squares. Bb or heterozygous c. Use a Punnett square to determine the probability of one of their offspring having short hair. This Probabilities, Dihybrid and Test Crosses Video is suitable for 9th - 12th Grade. Heredity,Punnett Squares, & Probability Power Point Presentation 1. Punnett Square Worksheet Answer Key Punnett Square Worksheet by kpolson via slideshare from Punnett Square Worksheet Answer Key , source: pinterest. A homozygous dominant brown mouse is crossed with a heterozygous brown mouse (tan is the recessive color). For instance there are many worksheet that you can print here, and if you want to preview the Punnett Square Problems Worksheet simply click the link or image and you will take to save page section. A pink-flowered plant is crossed with a white-flowered plant. Interpret and use the laws of probability to predict patterns of inheritance. Purple flowers are dominant to white flowers. To predict the probability of. from a local television studio asking them to produce a multimedia presentation for their afternoon talk show, see document below. 1 Reading Guide Ch. ) Phenotype ratios Round seeds 75% Wrinkled seeds 25% R r R r rr Rr Rr RR Genotype ratios RR 25% Rr 50% rr 25% Problem 3 Create a punnett square to determine percent probabilities of genotypes and phenotypes of the offspring of two pea plants that both are homozygous for yellow seed color. (b) If SpongeBob planted 100 seeds from this cross, how many should he expect to have of each color?. b) Write the phenotype ratio for the scary offspring. *Every time you complete a Punnett Square you must list and calculate the probabilities that the cross predicts for both genotypes and phenotypes. Genotype and Probability (continued) 2 Activity 1: Calculating the probability of genotypes In this activity, we will learn how to make mathematical predictions based on the segregating alleles of cattle heterozygous for the Double Muscle (Dd) gene. For the same type of rodent as in question 2, consider a cross between a male. Set up a Punnett square using the following information: • Dominate allele for tall plants = D • Recessive allele for dwarf plants = d • Dominate allele for purple flowers = W • Recessive allele for white flowers = w Cross a homozygous dominant parent with a homozygous recessive parent. The results from the punnett square can then be compared to the actual results. This lesson also involves a review of probability and its importance in genetics, as well as a review of introductory genetics principles. Complete the Punnett square to show the probability for plants with each flower color. Example: Black hair is dominant. If students follow the steps listed in the table in their worksheet they can compare it to the critical value (x2=3. Remember to: Use proper symbols for all traits dependent on inheritance patterns Separate traits into their own Punnett Squares for probability models. Lesson Summary Probability and Punnett Squares Probability is the likelihood that a particular event Pdf, Chapter 12 Biology Answer Key Prentice Hall Ebooks Pdf, Chapter 10 Download prentice hall biology chapter 11 assessment answer key PDF file for free. What are the chances of a child with a square shape? ____ out of ____ or ____% C. white flowers? Possible genotype(s)? d. Mendelian Genetics Coin Toss Lab PRE-LAB DISCUSSION: In heredity, we are concerned with the occurrence, every time an egg is fertilized, of the probability that a particular gene or chromosome will be passed on through the egg, or through the sperm, to the offspring. Add the correct fly models to the Punnett square. Make predictions with Punnett squares and test predictions. One cat carries heterozygous, long-haired traits (Ss), and its mate carries. (d) What is the probability that the kids would have round eyes? (e) What is the probability that the kids would be oval eyes? Practice makes perfect! 1. Complete the following Punnett squares according to the directions given. Probability and Heredity Understanding Main Ideas Complete the two Punnett squares below, and t' separate sheet of paper. Displaying all worksheets related to - Pedigrees And Punnett Squares. If the same genotype appears in more than one square, the probabilites are added: 1 square = 25% probability. Purple & smooth ___ Purple & shrunken ____ Yellow & smooth ___ Yellow & shrunken ____ 2. Do the Punnett square. Make a "key" for the trait, identify the parents involved in the cross and the gametes each parents produces. Click Create Assignment to assign this modality to your LMS. Directions: For the following questions, create a Punnett square. Repeat this for the other axis for the possible female gametes. P1 _____X_____. Bifido Punnett Square Calculator Professional is a reliable application that allows you to easily compute the probabilities for each possible results of genetic crosses. Covers purpose of Punnett squares to predict offspring traits. Mendel pea plant worksheets help students learn the history of genetics, the vocabulary of genetics and introduced to the probabilities of genetics. The same chances apply every time the parents reproduce, regardless 0K what happened in the Éirst cross. homozygous 5. A Punnett square is a tool used by geneticists to determine the probability of traits in offspring from a mating of two individuals. Answer the following questions. List the possible genotypes and phenotypes for their children. Create a Punnett square to show the possibilities that would result if SpongeBob and SpongeSusie had children. It is named after Reginald C. The activities listed. Section 11-2 Probability And Punnett Square Answer Key >>>CLICK HERE<<< The Punnett square worksheets lets. living; young 3. Distribute the 50:50 Chances worksheet. Covers purpose of Punnett squares to predict offspring traits. Genotypic Percents/Ratios Phenotypic Percents/Ratios 4 2 Monohybrid and Sex-Linked Worksheet. 2 Factor Cross on Punnett Squares. Punnett square to determine the probability of one of their offspring having long hair. What is the probability of producing dwarf plants. The Punnett square in Figure 11–7 shows one of Mendel’s segregation experiments. Show the Punnett square, list all possible phenotypes. Punnett Squares and Probability. PART III: Probability and Mendelian Genetics We can use the probability to predict the probability of given genetic traits appearing in the offspring of particular parents. Complete a punnett square to show the genotypes and phenotypes expected for the following cross: heterozygous straight x homozygous bent. COMPLETE BILL definitions & generation diagram by tomorrow 2. Humans have an almost innate desire to understand what makes their bodies tick. Describes how to use a Punnett square to predict genotypes and phenotypes. There are three possible genotypes. For example, since Aa has probability 50% and Bb has a probability of 50%, there is a 50% x 50% = 25% probability that the offspring has a genotype of AaBb. Trimpe Is Often Used In Biology Worksheets, Worksheets, Practice Sheets & Homework Sheets, Education, United States Federal Legal Forms, United States State Legal Forms And United States Legal Forms. When looking at one trait at a time it is called a monohybrid cross. Punnett Squares A specific region of DNA that codes for a particular protein Alleles are different versions of the same gene - Ex. You will be graded on both filling in the Punnett square as well as filling in the correct answer next to the multiple choice questions after each problem. In pea plants, yellow seeds are dominant to green seeds. A scaffolded worksheet to help pupils learn / practice punnet square diagrams, and then answer a couple of questions about the % probability of the outcomes. In the cross between two black guinea pigs shown in Punnett Square A, what is the probability that an offspring will be black? White? 4. Predict the genotypic ratio of offspring produced by crossing two parents heterozygous for this trait. (d) What is the probability that the kids would have round eyes? (e) What is the probability that the kids would be oval eyes? Practice makes perfect! 1. Punnett Squares: 11. It is important that you follow the necessary steps! First you have to establish your parental cross, or P1. If a normal female wants to have children with a color-blind male, what is the probability of having a son who is color blind? A. white flowers? Possible genotype(s)? d. Multi-trait Punnett Squares are large. Punnett, who devised the approach to determine the probability of an offspring's having a particular genotype (combination of alleles). Across the top of the table, all possible genotypes for the haploid female gamete are listed. Multiplication Worksheets Free Printable 3rd Grade Punnett square practice answer key Probability And Random Processes For Electrical Engineering Alberto Leon. Use Mendelian genetics to identify the expected outcomes for this single-trait cross. Describes the use and construction of Punnett Squares in inheritance. Simpsons Genetic Probability Worksheet There are six Punnett square problems featured below. Punnett Squares T t T TT Tt t Tt tt This is a monohybrid cross. Genotypic Percents/Ratios Phenotypic Percents/Ratios 4 2 Monohybrid and Sex-Linked Worksheet The separation of the parental genotype from Bb and Bb on either side of the Punnett square represents meiosis. Remember to: Use proper symbols for all traits dependent on inheritance patterns Separate traits into their own Punnett Squares for probability models. genotypic 5. (a) Give the genotypes and phenotypes for the offspring. Punnett Square Worksheet 2 Directions: Read each problem carefully to make sure all questions are answered. It is named after Reginald C. A normal couple has a son with colorblindness and muscular dystrophy (both sex-linked recessive traits). 1 GED Science Curriculum SCIENCE Lesson Summary: This week students will read for comprehension about traits, genes, and heredity. Phenotypic ratio: Make a list of all the different phenotypes (physical characteristics. 5B - See square at right 5C - RR & Rr = round eyes 5D - 100% 5E - 0% 6. Two of the offspring have brown eyes and one has blue. Punnett Squares. white flowers? Possible genotype(s)? d. In each problem, make a Punnett Square, list every possible genotype and every possible phenotype. Then, fill in the blanks beside each Punnett square with the correct numbers. Learn about the Punnett squares chart and how it is used for successful breeding and predictions of certain traits. With links to how DNA on chromosomes makes it work. On this page is a set of "typical" genetics questions that are best answered using a punnett square. Punnett in 1906 to visualize all the possible combinations of different types of gametes in particular crosses or breeding experiments (each gamete is combination of one maternal allele with one paternal allele for each gene being studied in the cross). the laws of probability, what percentage of their sons would most probably have inherited the disorder? What percentage of all their children would most probably have the disorder? (Hint: use a Punnett square to figure out the probabilities!) 9. tHe pUnneTT SquaRE prACTice PagE Hello. Snapdragon flowers exhibit incomplete dominance. It is named after Reginald C. tt Tt Tt TT T t t T Q: By observing the Punnett square, what is the probability of having a tall pea plant from this cross, and the probability of having a short pea plant?. Pedigrees And Punnett Squares Some of the worksheets for this concept are Pedigrees practice, Punnett square work, Pedigree charts work, Understanding patterns of inheritance through pedigree, Punnett square and pedigree practice quiz, Mendelian genetics probability pedigrees and chi square, Bikini bottom genetics name, Pedigree analysis. These values may not always match a given set of offspring. The Punnett square show us the various possibilities during fertilization. Set up a punnett square using the following information: • Dominate allele for tall plants = D • Recessive allele for dwarf plants = d • Dominate allele for purple flowers = W • Recessive allele for white flowers = w • Cross a homozygous dominate parent (DDWW) with a homozygous recessive parent (ddww) 2. 100% Using the Punnett Square below, answer the following question: 15. Answer the questions that follow. This lesson also involves a review of probability and its importance in genetics, as well as a review of introductory genetics principles. Is it possible for Candace and Dan to have a child that has O blood? _____ Explain why or why not (use a Punnett square to help). The Punnett Square shows only the probability of what might occur and not the actual results. The previous chi-square involves a dihybrid cross so it’s slightly harder but it employs the exact ideas as a simpler chi-square problem and you’ll see that it can help to establish a table to be able to keep an eye on the numbers. G G GenoType= 2 GG: 2 Gg ; 0 gg. Genetics and Punnett Squares Getting Traits from Parents Video from punnett square labeled , source:study. Brown eyes are dominant to blue eyes BB. Sample: If you choose r items from a. Use the genotypes in above to complete the Punnett square below and then answer the questions. Punnett squares can be used to show hereditary patterns based on one gene pair, two gene pairs (as in Figure 2-10 ), or more. These two parents are heterozygotes. Monohybrid Cross Worksheet Name _____ Period_____. Such squares are a good graphic device for representing progeny, but making them is time consuming. Click Create Assignment to assign this modality to your LMS. (a) If SpongeGerdy’s father is a hete rozygous squarepants and her mother is a roundpants, what is her genotype? Complete the first Punnett square to show the possible genotypes. Fifth Grade Science Worksheets: Punnett Squares Punnett squares help chart the results of genetics. Determine the genotype and phenotype ratios for a homozygous dominant female and a homozygous recessive male. The reason for this is because T is the dominant gene. white flowers? Possible genotype(s)? d. Punnett Square. One cat carries heterozygous, long-haired traits (Ss), and its mate carries homozygous short-haired traits (ss). If your mom is unable to roll her tongue, but your dad is heterozygous for the trait, what is the probability that any new child they have will be unable to be roll his or her tongue?. Put an X through all the heterozygous offspring. Since both people are recessive, the Punnett square shows that they have 0% chance for a child with a long nose. Yellow seeds are dominant to green seeds in peas. S s S SS Ss s Ss ss D) What is the probability that their child will have the disease 25% or 1/4 E) What is the probability that their child will be a carrier for the disease. Let's look at an example. Sickle Cell Anemia is condition that shows codominance. Punnett Squares. The rule of multiplication can be applied to independent events in sequence. Punnett Square 2 With Answers. Question: Help with Punnett Square Worksheet Tall is dominant over short in pea plants. Includes interactive Punnett's squares charts, quizzes, problems, matching, and concentration games. Bobtails in cats are recessive. If a straight rooted plant is crossed with a. These will be the odds every time a new offspring is conceived by parents with YG genotypes. Purple flowers are dominant to white flowers. To predict the probability of. This is how it'd look: We know that each individual can give only one of it's two alleles. Choose from 500 different sets of 11 2 probability and punnett squares flashcards on Quizlet. Create a Punnett square to show the possibilities that would result if SpongeBob and SpongeSusie had children. a The Punnett square in Figure 11-7 shows one of Mendel's segregation experiments. Parents' genotypes _____ X _____ a. Punnett squares. When looking at one trait at a time it is called a monohybrid cross. One of thes genes is composed of 2 alleles: B produces blue, and b does not produce any colour, The other gene is composed of Y that produces a yellow colour, and y that produces no colour. Begin Section 11-2 Laws of Probability and Punnett Squares students are still unsure of regarding the Meiosis Worksheet. Two of the offspring have brown eyes and one has blue. Hint: Curly wing is the dominant trait. Punnett squares help chart the results of genetics. Punnett Squares – Dihybrid Crosses Background Punnett Square are used to predict the possibility of different outcomes. 1 GED Science Curriculum SCIENCE Lesson Summary: This week students will read for comprehension about traits, genes, and heredity. In some chickens, the gene for feather color is controlled by codiminance. In order to do this, you will also have to understand the meaning of the terms below. If the next child is a boy, what is the probability that he has both traits?. What is the probability that the kids will have green lips? 0% 13. Punnett square Diagram that list all possible combinations that might result from a genetic cross. It is known one homozygous phenotype is red (CR). That would be the same as a 50% probability of having red eyes, or a 50% probability of having black eyes. 2 Probability and Punnett Squares p. What is the probability of producing a pink-flowered plant? _____% 8. FUNDAMENTALS OF GENETICS. of Questions= 6 INSTRUCTIONS: To answer a question, click the button in front of your choice. Let's look at an example. Color blindness is shown as Xb. P1 _____X_____. Print and complete both pages of the rock cycle worksheet. What are the chances of a child with a square shape? ____ out of ____ or ____% C. In each problem, make a Punnett Square, list every possible genotype and every possible phenotype. MAIN IDEAS • Punnett squares illustrate genetic crosses. The results from the punnett square can then be compared to the actual results. There are three possible genotypes. Punnett Squares and Pedigree charts. What does that mean? 2. Distribute the 50:50 Chances worksheet. Expected number of offspring: ____ Short hair (SS or Ss) ____ Long hair (ss) b. Explain the difference between incomplete dominance and codominance: 2. Draw a Punnett square to illustrate your prediction. Step by step set up of Punnett squares. A brown-eyed male and a blue-eyed female have three offspring. The Punnett square is useful because it calculates the probability of producing each of the genotypes or phenotypes for any one offspring. A homozygous dominant brown mouse is crossed with a heterozygous brown mouse (tan is the recessive color). Step 2 and 3: The Punnett square will be larger now because there are more possible sperm and egg combinations. Here we see that there are three ways for an offspring to exhibit a dominant trait and one way for recessive. These values may not always match a given set of offspring. Punnett Squares to refresh your Punnett brain by TODAY How genetics works WHITE BOARD PUNNETT SQUARES Practice Genetics Stuff HW: TO DO LIST 1. These will be the odds every time a new offspring is conceived by parents with YG genotypes. Write the genotype for a homozygous dominant striped squash. Probability and Punnett Squares. Punnett Square Worksheet Black is the dominant fur color for rabbits and white is the recessive. a) Use a cross and Punnett square to determine the probability (of all offspring) that a Draculosis male and homozygous normal woman will produce a carrier daughter. Download, Fill In And Print Bikini Bottom Genetics 2 Worksheet With Answers - T. Punnett Squares Worksheet Use Punnett Square to answer the following questions. At least one parent. Punnett Square Worksheet 2. 11 2 probability punnett squares worksheet answers are a good way to achieve details about operating certainproducts. Explain the difference between incomplete dominance and codominance: Incomplete = both alleles are expressed and the phenotype is a "blend". The Punnett square is a grid system for predicting possible genotypes of offspring. What are the chances of a child with a square shape? ____ out of ____ or ____% C. A response will appear in the window below the question to let you know if you are correct. 5B - See square at right 5C - RR & Rr = round eyes 5D - 100% 5E - 0% 6. Content Standards — NGSS MS-LS2-4. com Blood Type Punnett Square… Read More. Complete a lab report using the scientific method. More Punnett Square Practice 11. Now if you were asked the probability of an individual with a Yy configuration and an yy individual breeding to produce a green offspring, then you'd use a punnett square. Punnett Square Notes Ch. Genetic exam / test / quiz questions also provide help with evaluating the student's progress. Show the Punnett Square. Ex) A tall green pea plant (homozygous for both traits) is crossed with a short yellow pea plant. Punnett Squares are a diagram which biologists use to determine the probability of an offspring having a particular trait. Punnett square problems continued Complete the following problems. Example: In radishes, a bent root is a dominant trait, though some roots are straight (which is recessive). TITLE: Genetics: Punnet Squares Presented to grade level 7 GOALS The purpose of this lesson is to demonstrate how Punnet Squares are used to investigate genetic crosses. Traits are shown with a Capital letter for. Punnett Square Worksheet Answer Key Punnett Square Worksheet by kpolson via slideshare from Punnett Square Worksheet Answer Key , source: pinterest. Genetics and Probability(page 267) 1. Independent Practice - Punnett Squares Practice 15 minutes Students will use the Introductory Genetics Practice Worksheet to reinforce their skill to set-up the Punnett square, complete the genetic cross, and most importantly calculate the probability of genotypic and phenotypic outcomes in the form of a ratio. Punnett Square Quiz 1. probability. Monohybrid Cross: Figure 1: Punnett squares showing a monohybrid cross between a) a homozygous dominant and homozygous recessive parent and b) heterzygous dominant parents. Simply enter the parents’ genotypes in the required fields and click on Calculate button. a The Punnett square in Figure 11-7 shows one of Mendel's segregation experiments. The letters in the Punnett square represent alleles. PUNNETT SQUARES: • The gene combinations that MIGHT result from a genetic cross can be determined by drawing a Punnett Square • The parents go on the outside of the square along the side and top • The possible outcomes of the cross are on the inside of the squares • The letters in the Punnett Square represent ALLELES. Purple flowers are dominant to white flowers. READ each quesiton twice to make sure you are answering what it asks!. Be sure to show the genotypes, phenotypes, and percentages for each cross. The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment. Contains keywords and instructions to help completion. There are plenty of these traits in dogs, although, alas, there are lots more that are complicated in one way or another. probability. List the possible genotypes and phenotypes for the Zork babies. A brown-eyed male and a blue-eyed female have three offspring. Biologists use a diagram called a Punnett square to aid them in predicting the probable distribution of inherited traits in the offspring.