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<blockquote data-quote="randiliana" data-source="post: 780680" data-attributes="member: 2308"><p>Doesn't matter whether you use a homo black bull or not, you will never get all black calves. You have 2 different genes at work, the black/red gene and the dilution/non-dilution ones. Black/red determines the base coat color of the animal, Grey = Black, Tan = Red. The dilution gene works in addition to the base coat color, and it is a dominant gene, which means that if one parent passes a copy of the dilution gene on, you will have either a grey or tan calf. If your cow is homo for the dilution gene, she will always have a grey calf. If she is hetero she will have a grey calf 50% of the time.</p></blockquote><p></p>
[QUOTE="randiliana, post: 780680, member: 2308"] Doesn't matter whether you use a homo black bull or not, you will never get all black calves. You have 2 different genes at work, the black/red gene and the dilution/non-dilution ones. Black/red determines the base coat color of the animal, Grey = Black, Tan = Red. The dilution gene works in addition to the base coat color, and it is a dominant gene, which means that if one parent passes a copy of the dilution gene on, you will have either a grey or tan calf. If your cow is homo for the dilution gene, she will always have a grey calf. If she is hetero she will have a grey calf 50% of the time. [/QUOTE]
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