Because two egg cells are in the uterus at the same time and maturing. Identical twins are one egg cell that separated, that's why some babies are born connected. Fraternal children are when two egg cells enter the uterus and mature at the same time. That's why they don't look identical.
when two babies are born at the same time are callled twins!
twins just have to develop in the same womb at the same period of time. When they are born has nothing to do with it.
No, twins are born from the same pregnancy, and at the same time give or take an hour or so.
Fraternal twins.
twins
Twin are only those who are born at the same time, or almost the same time. Childern born 9 months apart aren't twins, they are siblings.
No, all twins are born at the same time. A sibling can look extremely like you, but you are still not twins unless you are born at the same time.
Ted and Ed are two of a set of triplets born together, with a third sibling. This means they share the same birthday, time of birth, and parents, but are not twins.
They are called twins.
They are called twins.
They werent born in the same year. They are sisters
No. They are the same as any brother or sister but they are born at the same time.