A) 25%
B) 0%
C) 50%
D) 75%
Correct Answer: C
Solution :
[c] Colour blindness is a sex-linked recessive genetic disorder involving the X-chromosome. Thus, according to the situation given in the question, a man whose father was colourblind will be, normal, i.e. XY and a woman whose mother was colourblind and father was normal is a carrier, i.e. XX. Thus, when marriage happens between two such individuals percentage of a male child to be colourblind is 50% (this can be easily observed from the cross given below)You need to login to perform this action.
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