.A person whose father is colour blind marries a lady
whose mother is daughter of a colour blind man.
Their children will be
(a) all sons colour blind
(b) some sons normal and some colour blind
(c) all colour blind
(d) all daughters normal.
whose mother is daughter of a colour blind man.
Their children will be
(a) all sons colour blind
(b) some sons normal and some colour blind
(c) all colour blind
(d) all daughters normal.