Question

3) Give scientific reason.


Sometime twins are dissimilar.​

Answer 1

Required Answer:

☑Sometimes, two eggs are released from the ovaries at a time and both may get fertilised by two different sperms.

☑Such twins are dizygotic and not identical. Sometimes, a single fertilised egg may split during the early stages of cell division.

☑Therefore, twins may or may not be identical.

Answer 2

Explanation:

Sometimes, two eggs are released from the ovaries at a time and both may get fertilised by two different sperms. Such twins are dizygotic and not identical. Sometimes, a single fertilised egg may split during the early stages of cell division. ... Therefore, twins may or may not be identical.