Colour blindness is a disease usually affecting man but the factor for it is transmitted to the children always by woman. This is because particular factor is located on
Colour blindness is a disease usually affecting man but the factor for it is transmitted to the children always by woman. This is because particular factor is located on
- A
$X$ chromosome
- B
$Y$ chromosome
- C
Both $X$ and $Y$ chromosomes
- D
Autosome
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