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scurred, polled, horned
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<blockquote data-quote="Anonymous" data-source="post: 14613"><p>So that's how the scur gene is dominant or recessive, very interesting. Jeanne is right the African horned gene is a whole other kettle of fish. The work the same way but you can have two African genes and I think get horns on a homozygous polled animal. That gene combination isn't fully understood yet, anyway in the literature I've read.</p><p></p><p>dunmovin farms</p><p></p><p>> To add to Dun's comments. First,</p><p>> what I say does not hold true for</p><p>> "eared" cattle. Their</p><p>> horn/scur genes are different. If</p><p>> an animal is horned/scurred, you</p><p>> will never see any sign of scurs.</p><p>> The horns are dominate. Scurs are</p><p>> a sex-linked gene. In males, the</p><p>> scur is a dominant gene. In</p><p>> females, it is recessive. Meaning,</p><p>> a bull only has to inherit 1 scur</p><p>> gene to express (show) the scurs.</p><p>> The heifer has to inherit a scur</p><p>> gene from both the dam & the</p><p>> sire. So a female can be</p><p>> polled/scurred and you would never</p><p>> know it if she only inherited 1</p><p>> scur gene. She would have a clean</p><p>> polled head. If either the bull or</p><p>> heifer calf is horned, you will</p><p>> never know if they are carrying</p><p>> the scur gene. At a young age, it</p><p>> is VERY difficult to tell if it is</p><p>> a scur or horn. Jeanne</p></blockquote><p></p>
[QUOTE="Anonymous, post: 14613"] So that's how the scur gene is dominant or recessive, very interesting. Jeanne is right the African horned gene is a whole other kettle of fish. The work the same way but you can have two African genes and I think get horns on a homozygous polled animal. That gene combination isn't fully understood yet, anyway in the literature I've read. dunmovin farms > To add to Dun's comments. First, > what I say does not hold true for > "eared" cattle. Their > horn/scur genes are different. If > an animal is horned/scurred, you > will never see any sign of scurs. > The horns are dominate. Scurs are > a sex-linked gene. In males, the > scur is a dominant gene. In > females, it is recessive. Meaning, > a bull only has to inherit 1 scur > gene to express (show) the scurs. > The heifer has to inherit a scur > gene from both the dam & the > sire. So a female can be > polled/scurred and you would never > know it if she only inherited 1 > scur gene. She would have a clean > polled head. If either the bull or > heifer calf is horned, you will > never know if they are carrying > the scur gene. At a young age, it > is VERY difficult to tell if it is > a scur or horn. Jeanne [/QUOTE]
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