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Mendel made the following crosses with pea plants. Choose from the following parental crosses to complete a Punnett Square and answer the following questions. Keep in mind that Purple (P) is dominant to white (p): PP x pp Ppx Pp Pp x pp 1. He crossed a purple flowered plant with a white flowered plant. His results were 126 purple flowered plants and 122 white flowered plants. Which of the parental crosses above would be likely to give these results? a. or b. PP x Pp or 2. He crossed a purple flowered plant with a purple flowered plant. His results were 306 purple flowered plants and 110 white flowered plants. Which of the parental crosses above would be likely to give these results? Monohybrid Cross Practice - Show your work with Punnett Square Analysis 1. In minks, coat color is controlled by a single gene. The allele for a brown (B) coat is dominant to the allele for silverblue (b) coats. or A homozygous brown mink was crossed with a silverblue mink. There were 9 offspring in the first (F1) generation. What color were they? Why? Two of the offspring from the F1 generation above were mated. What would the ratio of brown to silverblue offspring be in the second (F2) generation? Why? i. What fraction of the F2 generation will be homozygous brown? ii. Heterozyous? iii. Homozygous silverblue? 2. In cats, the allele for Tabby stripes (T) is dominant over the allele for no stripes (1). a. If a breeder crossed a heterozygous Tabby cat with a stripeless cat, what percent of the F1 generation would have tabby stripes? b. There is a recent demand in pet stores for Tabby cats. As a breeder, which two cats' genotypes from the F1 generation above would you cross to produce the most Tabby kittens? Why? 3. If you had a Tabby cat and wanted to know if this cat was homozygous or heterozygous, what type of cat could you breed your Tabby with to prove its genotype? Explain your answer and verify with Punnett Square Analysis.

Mendel made the following crosses with pea plants. Choose from the following parental crosses to complete a Punnett Square and answer the following questions. Keep in mind that Purple (P) is dominant to white (p): PP x pp Ppx Pp Pp x pp 1. He crossed a purple flowered plant with a white flowered plant. His results were 126 purple flowered plants and 122 white flowered plants. Which of the parental crosses above would be likely to give these results? a. or b. PP x Pp or 2. He crossed a purple flowered plant with a purple flowered plant. His results were 306 purple flowered plants and 110 white flowered plants. Which of the parental crosses above would be likely to give these results? Monohybrid Cross Practice - Show your work with Punnett Square Analysis 1. In minks, coat color is controlled by a single gene. The allele for a brown (B) coat is dominant to the allele for silverblue (b) coats. or A homozygous brown mink was crossed with a silverblue mink. There were 9 offspring in the first (F1) generation. What color were they? Why? Two of the offspring from the F1 generation above were mated. What would the ratio of brown to silverblue offspring be in the second (F2) generation? Why? i. What fraction of the F2 generation will be homozygous brown? ii. Heterozyous? iii. Homozygous silverblue? 2. In cats, the allele for Tabby stripes (T) is dominant over the allele for no stripes (1). a. If a breeder crossed a heterozygous Tabby cat with a stripeless cat, what percent of the F1 generation would have tabby stripes? b. There is a recent demand in pet stores for Tabby cats. As a breeder, which two cats' genotypes from the F1 generation above would you cross to produce the most Tabby kittens? Why? 3. If you had a Tabby cat and wanted to know if this cat was homozygous or heterozygous, what type of cat could you breed your Tabby with to prove its genotype? Explain your answer and verify with Punnett Square Analysis.

Concepts of Biology
Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter8: Patterns Of Inheritance
Section: Chapter Questions
Problem 2ACQ: Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are...
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Mendel's Experiments Mendel made the following crosses with pea plants. Choose from the following parental crosses to complete a Punnett Square and answer the following questions. Keep in mind that Purple (P) is dominant to white (p): PP x Pp Pp x Pp 1. He crossed a purple flowered plant with a white flowered plant. His results were 126 purple flowered plants and 122 white flowered plants. Which of the parental crosses above would be likely to give these results? PP x PP or or a. or Pp x pp 2. He crossed a purple flowered plant with a purple flowered plant. His results were 306 purple flowered plants and 110 white flowered plants. Which of the parental crosses above would be likely to give these results? Monohybrid Cross Practice - Show your work with Punnett Square Analysis 1. In minks, coat color is controlled by a single gene. The allele for a brown (B) coat is dominant to the allele for silverblue (b) coats. A homozygous brown mink was crossed with a silverblue mink. There were 9 offspring in the first (F1) generation. What color were they? Why? b. Two of the offspring from the F1 generation above were mated. What would the ratio of brown to silverblue offspring be in the second (F2) generation? Why? i. What fraction of the F2 generation will be homozygous brown? ii. Heterozyous? iii. Homozygous silverblue? 2. In cats, the allele for Tabby stripes (T) is dominant over the allele for no stripes (1). a. If a breeder crossed a heterozygous Tabby cat with a stripeless cat, what percent of the F1 generation would have tabby stripes? b. There is a recent demand in pet stores for Tabby cats. As a breeder, which two cats' genotypes from the F1 generation above would you cross to produce the most Tabby kittens? Why? 3. If you had a Tabby cat and wanted to know if this cat was homozygous or heterozygous, what type of cat could you breed your Tabby with to prove its genotype? Explain your answer and verify with Punnett Square Analysis. 4. In squash, the allele for white fruits is dominant over the allele for yellow fruits. If a white-fruited plant is crossed with a yellow-fruited plant and the offspring are yellow, what are the possible genotypes of the P generation and F1 generation? 5. In humans, skin pigmentation is due to a dominant allele, albinism (lack of pigmentation) is due to a recessive allele. a. A man marries an albino woman. Their first child is an albino. What are the individual genotypes of the man, woman, and their child? b. If they have more children, what phenotypes would be predicted-what would be the probability associated with each phenotype?
Transcribed Image Text:Mendel's Experiments Mendel made the following crosses with pea plants. Choose from the following parental crosses to complete a Punnett Square and answer the following questions. Keep in mind that Purple (P) is dominant to white (p): PP x Pp Pp x Pp 1. He crossed a purple flowered plant with a white flowered plant. His results were 126 purple flowered plants and 122 white flowered plants. Which of the parental crosses above would be likely to give these results? PP x PP or or a. or Pp x pp 2. He crossed a purple flowered plant with a purple flowered plant. His results were 306 purple flowered plants and 110 white flowered plants. Which of the parental crosses above would be likely to give these results? Monohybrid Cross Practice - Show your work with Punnett Square Analysis 1. In minks, coat color is controlled by a single gene. The allele for a brown (B) coat is dominant to the allele for silverblue (b) coats. A homozygous brown mink was crossed with a silverblue mink. There were 9 offspring in the first (F1) generation. What color were they? Why? b. Two of the offspring from the F1 generation above were mated. What would the ratio of brown to silverblue offspring be in the second (F2) generation? Why? i. What fraction of the F2 generation will be homozygous brown? ii. Heterozyous? iii. Homozygous silverblue? 2. In cats, the allele for Tabby stripes (T) is dominant over the allele for no stripes (1). a. If a breeder crossed a heterozygous Tabby cat with a stripeless cat, what percent of the F1 generation would have tabby stripes? b. There is a recent demand in pet stores for Tabby cats. As a breeder, which two cats' genotypes from the F1 generation above would you cross to produce the most Tabby kittens? Why? 3. If you had a Tabby cat and wanted to know if this cat was homozygous or heterozygous, what type of cat could you breed your Tabby with to prove its genotype? Explain your answer and verify with Punnett Square Analysis. 4. In squash, the allele for white fruits is dominant over the allele for yellow fruits. If a white-fruited plant is crossed with a yellow-fruited plant and the offspring are yellow, what are the possible genotypes of the P generation and F1 generation? 5. In humans, skin pigmentation is due to a dominant allele, albinism (lack of pigmentation) is due to a recessive allele. a. A man marries an albino woman. Their first child is an albino. What are the individual genotypes of the man, woman, and their child? b. If they have more children, what phenotypes would be predicted-what would be the probability associated with each phenotype?
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