Dizygotic twins share the same amount of genetic material as do regular siblings.

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Dizygotic twins, also known as fraternal twins, come from two separate eggs fertilized by two separate sperm, resulting in the same amount of genetic material as regular siblings. In contrast, monozygotic twins, also known as identical twins, come from one fertilized egg that splits into two embryos, resulting in the same genetic material.

Dizygotic Twins Share the Same Amount of Genetic Material as Do