If a character is always transmitted directly from a father to all his sons and from their sons to all their sons, then which chromosome carries the gene for the character
Autosomes
$X$ chromosome
$Y$ chromosome
None of the above
The daughter born to haemophilic father and normal mother could be
A normal woman, whose father was colour-blind is married to a normal man. The sons would be
A colour blind man marries the daughter of a colour blind person. Then in their progeny
In a sickle cell anaemia glutamic acid is replaced by valine, which the following codes for glutamic acid ?
Select the incorrect statement with regard to haemophilia.