Choose correct option.

$(i)$ The heterozygous female transmit the disease to son.

$(ii)$ Change in the shape of the $RBC$ from biconcave disc to elongated sickle like structure.

$(iii)$ Mentally retarded.

$(iv)$ Heamoglobin not formed proper amount in blood.

Thalassaemia is

Among symbol $A, B$ and $C, C$ indicates

If a colour blind female marries a man whose mother was also colour blind, what are the chances of her progeny having colour blindness ?

A man known to be victim of haemophilia marries a normal woman whose father was known to be a bleeder. Then it is expected that