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Black Angus crossed with White Shorthorn
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<blockquote data-quote="randiliana" data-source="post: 634531" data-attributes="member: 2308"><p>White Shorthorns are HOMOZYGOUS for the roan gene. The roan gene is an incompletely dominant gene which means that it displays itself differently when Homo and when Hetero. </p><p></p><p>Essentially breeding a white shorthorn to a black angus will give you some shade of blue roan. Could be almost black, could be almost white, but there should be some roan somewhere.</p><p></p><p>RR = White</p><p>Rr = roan</p><p>rr = solid colored</p><p></p><p>I'm not real sure how the Murray Grey breed got started from a white Shorthorn cow, unless, there was some sort of mutation, because from everything I have ever found about the roan gene says that a white animal (in the Shorthorn breed) is homo for the roan gene, and I have never seen anything that suggests the Shorthorn breed carrying the dilution gene which is what causes the grey in the Murray Grey breed.</p></blockquote><p></p>
[QUOTE="randiliana, post: 634531, member: 2308"] White Shorthorns are HOMOZYGOUS for the roan gene. The roan gene is an incompletely dominant gene which means that it displays itself differently when Homo and when Hetero. Essentially breeding a white shorthorn to a black angus will give you some shade of blue roan. Could be almost black, could be almost white, but there should be some roan somewhere. RR = White Rr = roan rr = solid colored I'm not real sure how the Murray Grey breed got started from a white Shorthorn cow, unless, there was some sort of mutation, because from everything I have ever found about the roan gene says that a white animal (in the Shorthorn breed) is homo for the roan gene, and I have never seen anything that suggests the Shorthorn breed carrying the dilution gene which is what causes the grey in the Murray Grey breed. [/QUOTE]
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Black Angus crossed with White Shorthorn
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