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Byju's Answer
Standard X
Biology
Sex-Linked Inheritance in Humans
If a colourbl...
Question

If a colourblind woman marries a normal visioned man, what will be the condition of vision of their sons?

A
Three-fourth colourblind and one-fourth normal
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B
All colourblind
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C
All normal visioned
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D
One-half colourblind and one-half normal
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Solution

The correct option is B All colourblind
If a colourblind woman marries a normal visioned man all sons will be colourblind. Its because the X genes in mother will be transferred to sons, which carries the defective genes.

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