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Who determines twins the female or male?
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The female does how many and the male determines the s_x.
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The woman is the one who determines twins. It is about the eggs (fraternal 2 eggs are released, identical the egg splits in two. It has nothing to do with the male's sperm (except for fertilization) Yes, the male determiones the s_x.
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The fathers genetics are the deciding factors in whether the twins are male or female, but the women determines twins or not.
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What about multiple sperms entering the egg?
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