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  •  A colour blind man marries the daughter of a colour blind person. Then in their progeny:  Option: 1 None of their daughters are col

 A colour blind man marries the daughter of a colour blind person. Then in their progeny:
 

Option: 1

None of their daughters are colour blind
 


Option: 2

All the sons are colour blind
 


Option: 3

All the daughters are colour blind


Option: 4

Half of their sons are colour blind
 


Answers (1)

best_answer

Since the daughter of a colorblind person will be a carrier of the disease and only one of the two X chromosomes will bear the recessive gene for disease, half of their sons will be colorblind. Not all daughters will be colorblind. Hence, the correct option is (d).
 

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rishi.raj

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