A man whose father was colour blind marries a woman who had a colour blind mother and normal father. What percentage of male children of this couple will be colour blind?
$0.25$
$0$
$0.5$
$0.75$
Sicklecell anaemia is
If a haemophilic man marries a woman carrier (heterozygous) for haemophilia, what would be the possibility that their daughter would be haemophilic
Haemophilia $A$ is due to the absence of
How Genetic disorders arises ? Explain by giving suitable examples.
Pattern baldness, moustaches and beard in human males are examples of