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<blockquote data-quote="Karin" data-source="post: 967402" data-attributes="member: 18961"><p>Solid is dominant over spotted. If the heifer is hetero solid her offspring could be either spotted or solid. Her sire may have some spotting in his genes (since you did say he's "angus plus"), but the solid dominance from the sire was carried over the spotted recessive from the dam, making the heifer have a genotype solid-spotted. If she's bred to a homo-solid bull, all her calves will be solid. If she's bred to a hetero-solid bull, she has a small (~25%) chance that she may have a spotted calf. If the bull's homo-spotted, make that a ~50% chance her offspring will be spotted. </p><p></p><p>The fact that the heifer is horned makes it obvious that her sire was hetero polled. It's that "plus" part as pollinater mentioned. </p><p></p><p>As for colour, unless she's carried some sort of heterozygous red gene from her sire and/or dam, it's hard to say. Chances are good that all--or most, rather--her calves may turn out to be black. </p><p></p><p>Good link to look at: <a href="http://www.backyardherds.com/web/viewblog.php?id=236-colour-genetics" target="_blank">http://www.backyardherds.com/web/viewbl ... r-genetics</a></p></blockquote><p></p>
[QUOTE="Karin, post: 967402, member: 18961"] Solid is dominant over spotted. If the heifer is hetero solid her offspring could be either spotted or solid. Her sire may have some spotting in his genes (since you did say he's "angus plus"), but the solid dominance from the sire was carried over the spotted recessive from the dam, making the heifer have a genotype solid-spotted. If she's bred to a homo-solid bull, all her calves will be solid. If she's bred to a hetero-solid bull, she has a small (~25%) chance that she may have a spotted calf. If the bull's homo-spotted, make that a ~50% chance her offspring will be spotted. The fact that the heifer is horned makes it obvious that her sire was hetero polled. It's that "plus" part as pollinater mentioned. As for colour, unless she's carried some sort of heterozygous red gene from her sire and/or dam, it's hard to say. Chances are good that all--or most, rather--her calves may turn out to be black. Good link to look at: [url=http://www.backyardherds.com/web/viewblog.php?id=236-colour-genetics]http://www.backyardherds.com/web/viewbl ... r-genetics[/url] [/QUOTE]
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