JustDressageIt 02-15-2008 07:56 PM I could be completely off base, but for some reason I think this might be slightly correct: I believe that there is a lethal dilute gene... that is, some dilute colored horses (seen in smokey-coloreds, cremellos and palominos) carry the lethal gene - they will carry one normal gene and one lethal gene, so they themselves will not be affected but will carry the letha