Why aren't cousins allowed to marry each other?

Answer 1

People should not marry very close relatives due to genetic reasons. If this practice is repeated many times in the same family, genetic diseases can be concentrated and undesirable recessive traits strengthened.

Answer 2

The concern with cousin marriage is the same as the concern with marriage of siblings - that the children of such a marriage may be more likely to inherit a genetic disease. As a practical matter, however, the risk in a marriage between first cousins is only very slightly higher than for "unrelated" parents, and for marriage between more distant cousins it is negligible.

Many jurisdictions do permit the marriage of first cousins, and few if any forbid marriage between more distant cousins. In fact many people marry and only later, or perhaps never, do they find out that they are third or fourth cousins to each other.

Answer 3

First cousins are "not permitted" to marry, in most places because they are thought to be so closely related, which can give rise to genetic abnormalities in their offspring

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There is also unwritten taboo aspect to marrying amongst ones relatives, as most social societies find this act repulsive immoral .

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continuous marrying of cousin or relatives in your own family line, even though legal for distant relatives, will over time lead to genetic inherited abnormalities.

Answer 4

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