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Why is incest wrong?

I have the most beautiful cousin in the world and no one gets along better with me than him but society tells me its wrong to date him why???

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  • 1 decade ago
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    Anthropologists reject incest for two reasons. First, inbreeding does not directly lead to congenital birth defects per se; it leads to an increase in the frequency of homozygotes. A homozygote encoding a congenital birth defect will produce children with birth defects, but homozygotes that do not encode for congenital birth defects will decrease the number of carriers in a population. If children born with this type of heritable birth defect die (or are killed) before they reproduce, the ultimate effect of inbreeding will be to decrease the frequency of defective genes in the population. Second, anthropologists have pointed out that in the Trobriand case a man and the daughter of his father's sister, and a man and the daughter of his mother's sister, are equally distant genetically. Therefore, the prohibition against relations is not based on or motivated by concerns over biological closeness.

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