Biology, 18.02.2020 01:01, evazquez

Cristina and Juan are twins who developed from two separate fertilized ova that were fertilized by two different sperm, while Mary-Kate and Ashley are twins who developed from one fertilized ovum that was fertilized by one sperm. Cristina and Juan are twins, whereas Mary-Kate and Ashley are twins.

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Cristina and Juan are twins who developed from two separate fertilized ova that were fertilized by t...