Fraternal twins started from two separate eggs in the mother.
By comparison, identical twins started from one egg but it divided at the first stage of development into two separate zygotes (and thus two separate babies).
Fraternal twins are twins who develop from two separate fertilized eggs. They can be of the same or different genders and share about 50% of their genetic material. Fraternal twins are also known as dizygotic twins.
Fraternal twins share most of their genetic material, by virtue of having the same parents. Identical twins, however, by definition share 100% of their DNA. This means, for example, that identical twins cannot ever be one of each gender, as fraternal twins often are.
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 share most of their genetic material, by virtue of having the same parents. Identical twins, however, by definition share 100% of their DNA. This means, for example, that identical twins cannot ever be one of each gender, as fraternal twins often are.
How do fraternal twins form? Answer one egg from each ovary is fertilized.
Another name for fraternal twins is dizygotic twins.
Fraternal twins are more popular.
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.
They are twins!
no