In a cross between two true-breeding plants, Parent #1 with yellow, round peas and Parent #2 with green, wrinkled peas, 1. a. What is the genotype of each plant in the cross. What proportion of the F1 progeny will have the same phenotype as Parent #2. b. After you self the F1s, what proportion of the progeny will have the same phenotype as Parent #1. C.
In a cross between two true-breeding plants, Parent #1 with yellow, round peas and Parent #2 with green, wrinkled peas, 1. a. What is the genotype of each plant in the cross. What proportion of the F1 progeny will have the same phenotype as Parent #2. b. After you self the F1s, what proportion of the progeny will have the same phenotype as Parent #1. C.
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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### Genetics Problem Set
**1. In a cross between two true-breeding plants, Parent #1 with yellow, round peas and Parent #2 with green, wrinkled peas:**
**a. What is the genotype of each plant in the cross?**
**b. What proportion of the F1 progeny will have the same phenotype as Parent #2?**
**c. After you self the F1s, what proportion of the progeny will have the same phenotype as Parent #1?**
**d. What proportion of the progeny will have the same genotype as Parent #1?**
To solve these problems, apply your understanding of Mendelian genetics, such as dominant and recessive traits, phenotypes, and genotypes. Use Punnett squares where necessary to visualize the cross and determine the expected ratios of different traits in the progeny.
**Note:**
- Yellow (Y) is dominant to green (y).
- Round (R) is dominant to wrinkled (r).
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In part **a**, you will determine the genotypes based on the phenotypes and the principle that true-breeding plants are homozygous.
For part **b**, you will calculate the proportion of F1 progeny that resemble the green, wrinkled phenotype of Parent #2.
In part **c**, after self-fertilizing the F1 generation, compute the proportion of the progeny with the yellow, round phenotype of Parent #1.
Lastly, in part **d**, analyze the proportion of the F2 progeny that have the same genotype as Parent #1.
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