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If a plant produce green coloured fruit in summer squash, its genotype would be:
 

Option: 1

WwYy
 


Option: 2

wwyy
 


Option: 3

WWYY
 


Option: 4

WwYY
 


Answers (1)

best_answer

 

 

As discussed in Dominant Epistasis -

 In summer squash, the fruit colour is governed by two genes. The dominant gene W for white colour suppresses the expres­sion of the gene Y which controls yellow colour. So yellow colour appears only in the absence of W. Thus W is epistatic to Y. In the absence of both W and Y, green colour develops. Hence, the correct option is (b). 

 

Posted by

jitender.kumar

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