Why does same family mating develop mutated offspring?
In: Biology
Genetic defects are minimized through diversity, since most are recessive genes and suppressed by dominant genes. But, if two family members have the same recessive gene, the chances of it being expressed (giving the kid problems) go way up.
Basically, everyone has the chance to develop defects. But two people with the chance for the same one makes for a much higher chance.
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