Why Does Sexual Reproduction Require Two Sexes? Why Are There Sexes At All?

Why Does Sexual Reproduction Require Two Sexes? Why Are There Sexes At All?
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In nature, most sexually reproducing creatures have two genders — which seems odd as it cuts the population a gamete could mate with in half. Why is this the case?
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Fecha: February 22, 2017 at 05:49PM
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