A dihybrid cross gives a phenotypic ratio of 9:3:3 instead of 9:3:3:1. What phenotypic ratio would you expect in a testcross of the double heterozygous hybrid?   Question options:   1:1   1:1:1   1:1:1:1   3:1

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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A dihybrid cross gives a phenotypic ratio of 9:3:3 instead of 9:3:3:1. What phenotypic ratio would you expect in a testcross of the double heterozygous hybrid?

 

Question options:

 

1:1

 

1:1:1

 

1:1:1:1

 

3:1

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