They are rarely, if ever, delivered at the same time. So the one who is delivered first is the elder.
Another name for fraternal twins is dizygotic twins.
Fraternal twins are more popular.
Fraternal twins can be the same sex or opposite sexes. It doesn't matter.
Yes, fraternal twins are perfectly normal.
Fraternal twins are two siblings that have the same birth day, but do not look identical.
How do fraternal twins form? Answer one egg from each ovary is fertilized.
Fraternal twins are more popular.
Another name for fraternal twins is dizygotic twins.
There is no precise percentage of fraternal or identical twins but it is estimated that 2/3 of all twins are fraternal where as 1/3 of twins are identical.
identical twins are single egg twins. fraternal twins a two egg twins. fraternal
Fraternal twins can be the same sex or opposite sexes. It doesn't matter.
Yes, fraternal twins are perfectly normal.
fraternal twins have two different chromosomes
Fraternal twins are two siblings that have the same birth day, but do not look identical.
no
They are twins!
Identical twins are formed from a single egg that splits into two. Fraternal twins are formed from two separate eggs that are both separately fertilized. So identical twins have identical DNA, and fraternal twins do not.