Hypothetical: Breed that hog/col cross to a black argentine and I suspect it will yeild a varied litter of lighter 25% hog / 25% col / 50% argy .. breed them back to another argy and the offspring will continue darkening... do it again they will continue darkening .. etc (ie not even close to what happens with salmontines) Are hogs a dominant single gene hypo mutation that will continue throwing consistant 50/50 litters (50% obvious lighter 50% obvious not)? I seriously doubt it. Im fairly certain there have been F2 hog/col litters and if that were true, it surely would be widely reported that the hypo aspect of hogs is a single gene dominant mutation, as that would be big news.

What makes more sense to me is a polygenic trait. Like you would get from any locality cross-breeding.

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