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

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4.Principles of Inheritance and Variation

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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

Solution

(a)Father colour blind and mother normal.

Standard 12

Biology

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