Ferternal twins don't look alike, but twins do
If two (or more) eggs are fertilised and develop together you will get fraternal twins. Identical twins are the result of a single fertilised egg dividing into two embryos.
Identical twins come from one egg and one sperm. Fraternal twins come from two eggs and two sperm.
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.
If two (or more) eggs are fertilised and develop together you will get fraternal twins. Identical twins are the result of a single fertilised egg dividing into two embryos.
Identical twins come from the same fertilized egg; fraternal twins come from 2 fertilized eggs.
Identical twins come from one egg and one sperm. Fraternal twins come from two eggs and two sperm.
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.