Colour blindness is caused by a single
Dominant gene in woman
Dominant gene in man
Recessive gene in man
Recessive gene in woman
Study the pedigree chart given below.
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What does it show?
The character of organisms is said to be sex linked when its gene is carried on
Which one of the following symbols represents mating between relatives in human pedigree analysis?
$A$ : The posssibility of a female becoming a haemophilic is extremely rare.
$R$ : Mother of such a female has to be carrier and father should be haemophilic
Haemophilia is example of