Albino condition is found in which human race?

$A$ normal woman whose father was colourblind marries a normal man. What kinds of children would be expected and in what proportion?

What is the probability of having a color-blind male child from two normal parents?

Both a man and a woman are affected by Vitamin $D$-resistant rickets,which is an $X$-linked dominant trait. All the daughters of this couple are affected by rickets,but some of the sons are not. What are the genotypes of the parents?

Sickle-cell anaemia happens due to $A$ mutation in which $B$ of haemoglobin is affected. Fill the correct option for $A$ and $B$.

Which disease is caused by the deficiency of factor $VIII$?