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4.Principles of Inheritance and Variation
medium
A son of a colourblind father and normal homozygous mother marries to a daughter of normal father and heterozygous mother than their children will be
A
All colourblind sons
B
All colourblind sons and daughters
C
Some colourblind and some normal daughters
D
Some normal and some colourblind sons
Solution
(d)The son of colourblind man and homozygous normal mother will be normal and when he marries the daughter of a carrier mother which is expected to be carrier.
The progeny of such a couple will produce $50\%$ colourblind sons and $50\%$ normal sons.
Standard 12
Biology