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Breeding / Calving Issues
Bull with translocation gene, semen testing questions
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<blockquote data-quote="inyati13" data-source="post: 1041064" data-attributes="member: 17767"><p>djinwa, the mechanisms which can alter the status quo and cause genetic outcomes that no one expects. Everyone hears about "mutations" but they don't often hear about Translocations, crossing over, inversions, duplications, buckling, etc. All which cause unpredictable genptypes and phenotypes just when you think you have everything nailed down. Sometimes parts of a chromosome become detached and reunited with non-homologous chromosomes. That is bad news for that zygote as it is to use the term "screwed up". Being screwed up, nature finds a way to abort it. If it does not abort and goes term. </p><p>A translocation gene is bad news as you just cannot have confidence that the geneotype is going to be as expected. If this bull was in your pasture, even when he gets a cow pregnant, she may later a abort.</p></blockquote><p></p>
[QUOTE="inyati13, post: 1041064, member: 17767"] djinwa, the mechanisms which can alter the status quo and cause genetic outcomes that no one expects. Everyone hears about "mutations" but they don't often hear about Translocations, crossing over, inversions, duplications, buckling, etc. All which cause unpredictable genptypes and phenotypes just when you think you have everything nailed down. Sometimes parts of a chromosome become detached and reunited with non-homologous chromosomes. That is bad news for that zygote as it is to use the term "screwed up". Being screwed up, nature finds a way to abort it. If it does not abort and goes term. A translocation gene is bad news as you just cannot have confidence that the geneotype is going to be as expected. If this bull was in your pasture, even when he gets a cow pregnant, she may later a abort. [/QUOTE]
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