Multi-vertebra trait is a positive mutation existing in the Hebei Small Tail Han Sheep, most of which can result in lengthening of the spine, which increases the body size and mutton production significantly.
多脊椎现象是存在于河北小尾寒羊中的有益突变,多数突变都会引起绵羊脊柱的加长和体尺增加,从而显著提高产肉量。
参考来源 - 河北小尾寒羊多脊柱调控基因Btg2和NR6A1的多态性分析·2,447,543篇论文数据，部分数据来源于NoteExpress
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