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inbreeding= the act of of mating genetically within the same genetic pool (close relations)

Mating with 1st cousins does contribute to inbreeding and can be OK but often presents genetic problems, which is far less likely with 2nd cousins to the point where it is basically OK to marry a 2nd cousin. Some 1st cousins can and do marry and everything is fine, especially with genetic testing prior to having kids. In many small towns throughout history cousins tended to end up married here and there- the worst problems come from repeated marrying of 1st cousins over and over within a small community or family. This has affected royal families since they could only marry other royals- at times anemia, retardation, and genetic diseases have plagued royal families until they realized the need to bring in some new blood.

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14y ago

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