In a Fraternal Twins?

Fraternal twins are also dizygotic twins. They result from the fertilization of two separate eggs during the same pregnancy. Fraternal twins may be of the same or different sexes. They share half of their genes just like any other siblings.

Is a fraternal twin brother?

When two eggs are independently fertilized by two different sperm cells, fraternal twins result. ... Fraternal twins are, essentially, two ordinary siblings who happen to be born at the same time, since they arise from two separate eggs fertilized by two separate sperm, just like ordinary siblings.

What is special about fraternal twins?

They can be the same sex or different.

Since fraternal twins originate from two separate sperm, each of those eggs could be a boy or girl. That means fraternal twins can both be boys, both be girls, or be a boy and girl.