I understand. But since cousins are about 16% identical genetically, and sib 50%, isn't the chances of these recessive traits expressing themselves greater if relatives mate?
Rip Pisacreta, Ph.D.
>From: Beth Benoit <[EMAIL PROTECTED]>
> > I have a question. Are the majority of albino humans produced by inbreeding?
>
>I'll give this a whirl. What the heck, it beats grading papers...
>
>Since 1 in 17,000 people in the U.S. alone actually have some sort of
>albinism, it isn't too much of a stretch to figure that there are relatively
>a fair amount of people who carry the recessive gene for albinism. Albinism
>follows the usual genetic laws - two parents, each with a recessive gene,
>have a 1 in 4 chance of having a child with albinism.
>
>There's no more reason to suppose that children with albinism are the
>products of inbreeding than to suppose that those with any other genetic
>defects, such as colorblindness, are.
>
>(Sorry to only use Americans in the above figures, but those are the ones
>that turned up most easily in my research.)
>
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