The best example for pleiotropy is
$ABO$ Blood group
Skin colour
Phenylketoneuria
Colour Blindness
A woman with normal vision, but whose father was colour blind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. Thus boy
Which one of the following symbols and its representation, used in human pedigree analysis is correct ?
The daughter born to haemophilic father and normal mother could be
One way of detecting sex linked inheritance is
Give scientific reasons : The human male never passes on the gene for haemophilia to his son.