bABIES
WHY ARE THERE TWIN BABIES IN THE WORLD
2 Answers
lazarus1907 said:
Because sometimes the egg splits after being fertilized, or two fertilized eggs are placed in the uterus at the same time.
P.S. the former case results in identical twins and the latter in fraternal twins.
P.P.S. Despite the origin of the word "fraternal", they are siblings (not necessarily male children)
Because sometimes the egg splits after being fertilized, or two fertilized eggs are placed in the uterus at the same time.