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snigelfarmor skrev:förresten:
På möss är det en dödlig gen..alla hannar dör som föds med brindle.
Some confusion has arisen about the genetics and health problems of Brindle mice. Much of this is caused by the fact that there are two genetically different mice which are called “Brindle.” To the best of my knowledge, the folks in England do not have the tiger-striped color we call Brindle. Instead, they have mice that have an interesting pattern (almost like a tortoiseshell). This color is lethal when seen on male mice, and they die very shortly after birth. Examples of these mice do exist here in the United States, though not apparently on the west coast. Genetically, England’s mice are what the scientific literature refers to as Brindle. The American version, however, comes much closer to looking like the brindle seen on other species.
"Alla" hästar är quarterhästar som ser ut sådär, stora musklade bakdelar. Andra raser i USA ser inte ut så...Men varför ser alla amerikanska hästar ut som belgian blues?