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The Bull or the Cow
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<blockquote data-quote="IluvABbeef" data-source="post: 663831" data-attributes="member: 3739"><p>This would sound less confusing if it was put this way: Purebred cattle, be they cows or bulls, are more likely to pass on predictable genetics to their offspring than crossbred animals or "mutt" animals. For example, Angus cows that are homozygous for the black hide gene will, predictably, pass on the black-hided gene to thier offspring, no matter what breed of bull they are bred to, with exception for those who have the colour dilution gene in their genetics like Charolais. A crossbred cow or bull bred to a crossbred bull or cow will give a calf with phenotypical characteristics that are far less predictable than their purebred counterparts.</p><p></p><p>As for the OP's question, it is simply a matter of a roll of the dice or a flip of a coin, like Brandon and novatech said. If we are talking about breeding two different breeds together in the goal of getting an F1 calf with hybrid vigour, I can't think of an example where a bull or a cow is able to produce a calf with traits that is only expressed from that bull or cow if bred to a cow or bull of a different breed. For instance, you certainly won't get an all-black or all-red calf if you breed a Hereford cow to an Angus bull or vice versa. An exception would be breeding a Red Angus cow to an Angus bull to produce a black calf that is still considered purebred Angus by the Angus breed standards (hope I'm right here Frankie) but this calf does not express any hybrid vigour because of the way the genetics of the Angus and Red Angus breeds are so closely linked.</p><p></p><p>In short, I think the OP's question is a loaded one, full of textbook-long explanations of dominance and recessive trait characteristics.</p></blockquote><p></p>
[QUOTE="IluvABbeef, post: 663831, member: 3739"] This would sound less confusing if it was put this way: Purebred cattle, be they cows or bulls, are more likely to pass on predictable genetics to their offspring than crossbred animals or "mutt" animals. For example, Angus cows that are homozygous for the black hide gene will, predictably, pass on the black-hided gene to thier offspring, no matter what breed of bull they are bred to, with exception for those who have the colour dilution gene in their genetics like Charolais. A crossbred cow or bull bred to a crossbred bull or cow will give a calf with phenotypical characteristics that are far less predictable than their purebred counterparts. As for the OP's question, it is simply a matter of a roll of the dice or a flip of a coin, like Brandon and novatech said. If we are talking about breeding two different breeds together in the goal of getting an F1 calf with hybrid vigour, I can't think of an example where a bull or a cow is able to produce a calf with traits that is only expressed from that bull or cow if bred to a cow or bull of a different breed. For instance, you certainly won't get an all-black or all-red calf if you breed a Hereford cow to an Angus bull or vice versa. An exception would be breeding a Red Angus cow to an Angus bull to produce a black calf that is still considered purebred Angus by the Angus breed standards (hope I'm right here Frankie) but this calf does not express any hybrid vigour because of the way the genetics of the Angus and Red Angus breeds are so closely linked. In short, I think the OP's question is a loaded one, full of textbook-long explanations of dominance and recessive trait characteristics. [/QUOTE]
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