F1 hybrid is obtained from the following cross: Parent 1: AB/AB; d/d; E/E Parent 2: ab/ab; D/D; e/e Assume that all genes are sorted independently except for genes A and B, which are tightly linked and show zero recombination. Following a testcross of F1, what proportion of the F2 progeny will be phenotypically like parent 1?     1/4   1/16   1/32   9/64   1/8

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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F1 hybrid is obtained from the following cross:

Parent 1: AB/AB; d/d; E/E

Parent 2: ab/ab; D/D; e/e

Assume that all genes are sorted independently except for genes A and B, which are tightly linked and show zero recombination. Following a testcross of F1, what proportion of the F2 progeny will be phenotypically like parent 1?

 
 

1/4

 

1/16

 

1/32

 

9/64

 

1/8

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