Fraternal twins are more popular.
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i say that identical twins are the least rare because like me a fraternal twin i only know 1 pair of fraternal twin.
Yes. Fraternal twins don't look alike at all. Identical, meaning to look the same, are well, identical.
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.
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.
Yes. Identical twins started out as one egg and one sperm cell and are genetically identical. Fraternal twins come from two eggs and two sperm cells and are no more closely related than any other sibling.