I have seen a twin brothers and they both look similar like they are brothers but they both does not look same they look so different from each other?

One brother is so handsome and one is not good looking. Which kind of twin they are? Why they does not look same?


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Most Helpful Guy

  • Sounds like they are from two eggs rather than being identical twins from a single egg.

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Most Helpful Girl

  • You can have identical and non-identical twins. Basically, the identicle twins (monozygotic) are born when one egg splits into two fetuses. Because they're from the exact same egg and exact same sperm, they have the same DNA which means they look the same. The non-identicle twins (dizygotic) are born from two separate eggs and two separate sperm at the same time. These are like any other siblings and share roughly 50% of their DNA, so they'll probably look similar, but they won't look exactly the same. If one twin looks a lot different from the other one in terms of things like facial features, they're probably dizygotic twins.

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What Guys Said 1

What Girls Said 1

  • It's likely they are fraternal twins. Fraternal twins are TWO separate eggs that are fertilized by TWO separate sperm. However, they could be identical twins that just don't look identical. Identical twins are when a ONE egg is fertilized to form one zygote, with the zygote dividing into two separate embryos.

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