Heterozy­gous + Non­car­rier

EQUUS - - Applied Genetics -

If a horse is heterozy­gous for a dom­i­nant trait—he car­ries only one copy of the gene or mu­ta­tion—when mated to a non­car­rier, 50 per­cent of his off­spring will in­herit the dom­i­nant gene and 50 per­cent will not. So when heterozy­gous gray horses are mated to non­car­ri­ers of the gray gene, only half of the off­spring will be gray.

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