Multiple Choice
Red-green colour blindness is controlled by an X chromosome gene in humans.A normal man and normal woman whose fathers are both colour-blind marry.What is the probability that their first child will be colour-blind?
A) 1/2
B) 1/4
C) 1/8
D) 1/3
E) 0
Correct Answer:
Verified
Correct Answer:
Verified
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