How to find whether the twins are identical or fraternal twins?

Fraternal twins are the result of two different eggs being fertilized by two separate sperm and resulting in two completely distinct and separate pregnancies in the womb at the same time. The DNA profiles for fraternal twins will not be identical, so they are just like full-siblings that are born at different times. Identical twins are the result of one egg fertilized by a single sperm. The DNA profiles for identical twins will be identical. Additionally, the physical attributes of identical twins will also be similar.

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