The character of organisms is said to be sex linked when its gene is carried on
$Y$ chromosomes
$X$ chromosome of male or female
$X$ and $Y$ chromosomes
A particular autosome
It's Obvious
Haemophilia is example of
If a man who is colour blind marries a women, who is pure normal for colour vision, the chances of their sons have colour blindness is
Give scientific reasons : The human male never passes on the gene for haemophilia to his son.
Given below is a pedigree chart showing the inheritance of a certain sex- linked trait in humans.
The trait traced in the above pedigree chart is
In Huntington’s disease, the unaffected persons are homozygous for normal allele $h$. The following is erroneous because
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