
Originally Posted by
Win2Win
Methinks CH4 are just making a story out of small numbers, as such inbreeding goes on in other animals daily and only a minority have genetic problems, however the stats of these problems is higher than if non-cousins bonked, but the numbers are still small in the overall scheme of things. In fact every human has a genetic flaw, most don't show themselves till you are older.... breast cancer susceptibility for one.
In normal pregnancy, only 5% of fertilised eggs make it to be a teenager.