Haemophilic female marries normal male, the theoretical ratio of their offsprings regarding haemophilia will be

A haemophilic woman marries a normal man, then

The daughter born to haemophilic father and normal mother could be

If a man who is colour blind marries a women, who is pure normal for colour vision, the chances of their sons have colour blindness is

Study the pedigree chart given below. What does it show?

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.