Ram has hairy ears (hypertrichosis),a trait carried by a gene in his Y-chromosome .What is the chance that his grandson will inherit the from him?

Ram has hairy ears (hypertrichosis), a trait carried by a gene in his y-chromosome what is the chance that his grandson will inherit the trait from him?

Ram is colour blind.What is the chance ,his son will inherit colour blindness from him ?

Anil is colour blind.What is the chance of his son inheriting colour blindness from him?

A man a inherit his X chromosome from

A man a inherit his X chromosome from

A man cand inherit his X-chromosome from :

A man can inherit his X chromosome from

A man who carries holandric gene in his Y-chromosome marries a normal woman.The said gene will be transmitted to:

What are the chances that sons of a man with a rare X-linked disorder will inherit from him?

If a boy's father has haemophilia and his mother has one gene for haemophilia, what is the chance that the boy will inherit the disease