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Why do monozygotic twins have the same sex ? ​

1 Answer

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Answer:

Identical twins are also known as monozygotic twins. They result from the fertilization of a single egg that splits in two

Step-by-step explanation:

Identical twins share all of their genes and are always of the same sex. In contrast, fraternal, or dizygotic, twins result from the fertilization of two separate eggs during the same pregnancy.

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