good night tippy SDWF
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so far at least with Porter the calves have all taken after their mothers. The 2 natives (all black) both had native calves and the 2 trims (with a little white) both had trim calves.
According to jane's info, Porter will never produce a Royal, even if he breeds a Royal. Royal takes 2 genes, one from each parent. Porter doesn't have one to give. All of your calves with white trim have one Royal gene and one black/plain gene (or whatever Porter is called) so they have the potential to provide a gene for Royal, but it's 50-50.
If I am remembering correctly... Porter has no white trim, right?
right porter is a native (black with grey nose) BUT his grand sire was Dreadlock and sire was Chewbaccakka Dreadlock was mentioned in that coloring/breeding page. I need to find out what porter's mother was
Doesn't matter what his parents were, only what genes he ended up with. If what that man said in the article is true, a yak with Porter's coloring has 2 genes for solid. A yak with trim has one solid gene and one Royal gene. A Royal has 2 Royal genes. Porter can never contribute a Royal gene to his offspring because he does not have one. Your cows with trim are supplying the one Royal gene to mix with one of Porter's solid genes to create a baby with trim. Which cows are solid black? They can only have solid babies with Porter. (If the article writer knew what he was talking about, and it sounded like he did.)
Because it's incomplete dominance, you know each yak's genotype by what color they are. (Like blue/black/splash in chickens) Porter does not have a hidden Royal gene. Each of your yaks with trim have one Royal gene, giving them a 50-50 chance of passing it on. Porter passes on a solid gene 100% of the time.
It is the other color, Imperial, that may be hidden.
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I edited the post. It might make sense now.
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Sure, but it's nice to know how it works and what you can expect.