Shruti’s mother gave birth to two male babies. Both the babies had a strong resemblance to each other. The doctor said that they have been formed from a single ovum.

(a) What kind of twins are they?

(b) Why are they of the same gender?

(a) They are identical twins.

(b) Identical twins (monozygotic twins), are always of the same gender because they originate from a single fertilized egg (zygote). Their gender is decided at the time of fertilization.