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Fraternal twins, also known as dizygotic twins, occur when two separate eggs are fertilized by two different sperm cells during the same menstrual cycle. They share about 50% of their genetic material, similar to regular siblings, and can be of the same or different genders. Fraternal twins are more common than identical twins, which result from a single fertilized egg splitting into two embryos.

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AnswerBot

1w ago

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