A women heterozygous for color blindness marries a color blind man. What be the rations of carrier daughters, color blind daughters, normal sons and color blind sons in F1 generation?
A
1:2:2:1
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B
2:1:1:2
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C
1:1:1:1
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D
1:1:2:2
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Solution
The correct option is D 1:1:1:1
Colourblindness is the x linked recessive disorder. The above image depicts the result proposed in the question:
Carrier daughter : Colourblind daughter : Normal son : Colourblind son = 1 : 1 : 1 : 1