Which of the following is not correct option for Phenylketonuria ?
It is inborn error of metabolism.
Autosomal recessive trait.
Affected individual lacks an enzyme
It occurs due to failure of cytokinesis
One of the following is not true to haemophilia
$A$ : 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
What is the cause of haemophilia
The daughter born to haemophilic father and normal mother could be
If a colourblind man marries a woman who is homozygous for normal colour vision, the probability of their son being colourblind is