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A colourblind man has a colourblind sist...

A colourblind man has a colourblind sister but a normal brother than phenotype of its parents is

A

Father colourblind and mother normal

B

Father normal and mother colourblind

C

Father and mother both are colourblind

D

Father and mother both are normal

Text Solution

Verified by Experts

The correct Answer is:
A
Father colour blind produces affected X chromosome that inherits to his daughter and have normal (carrier) wife since it has one affected X chromosome and another normal that results in one affected brother and sister and one unaffected brother.
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