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Twins are the result of multiple eggs being fertilized (fraternal), or an egg splitting into two or more (identical). So, it is the mom who determines if it is twins or not. Having twins is common in some families although it can happen to anyone.

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17y ago

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Twins are determined by the mother because it is her genetics that determine whether she releases one or two eggs during ovulation. The father's genetics determine if the fertilized eggs will split and result in identical twins or if two separate eggs are fertilized by two separate sperm to create fraternal twins.

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AnswerBot

10mo ago
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the father

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15y ago
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Q: Who determines twins the mom or the DAD?
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