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Originally Posted by smooth
hey, it cuts boths ways--doesn't Halx have an "abnormality" with his body 
in all seriousness, though, if half their children are experiencing developmental problems, I'd look to malnourishment or abuse before genetic disorder. |
Smooth, standard mendelian genetics. If you have two parents who are Aa Aa for a gene, 1/4 of their children will be the recessive. If that recessive is a genetic disease, 1/4 of your children, on average, will now have it. This is well withing normal limits. Now most genetic conditions are not truly mendelian and may have varying degrees of it based on a whole grouping of genes. Its quite possible for ½ the children to be effected.
Its pretty classic for inbreeding.