Question

Which results in identical twins?

Two sperm fertilize two eggs.

An embryo divides into two embryos.

The amniotic sac breaks before the 37th week.

The delivery of the baby is followed by an afterbirth.

Answer 1

The second option would result in a pair of identical twins due to both of the children possessing the exact same genes since they both belonged to the same fertilized egg.

Answer 2

The second option. The embryo divides into two and causes identical twins, this is after the egg has been fertilized and it's forming.