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BMPR-IB和BMP15基因作为滩羊多羔性状候选基因的研究

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摘要 以滩羊及其与小尾寒羊的杂交后代为主要研究对象,以BMPR-IB和BMP15基因作为影响滩羊产羔数的侯选基因,对滩羊、寒滩杂交一代、滩寒杂交一代3个群体不同位点进行了PCR-SSCP分析。结果表明,在3个绵羊群体中,BMPR-IB基因FecBB位点存在单核苷酸多态性,具有AA、BB、AB3种基因型,序列比对发现在原序列71bp处、114bp处分别发生了G→A、C→T的单碱基突变。而BMP15基因的FecX1位点未发现多态性片段。本试验结果为后续开展BMPR-IB基因多态性与繁殖性状的相关性研究提供了参考和依据,为滩羊多胎品系的选育提供前提基础。
出处 《当代畜牧》 2010年第1期35-38,共4页 Contemporary Animal Husbandry
基金 宁夏自然科学基金项目(项目编号:NZ0751)
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参考文献12

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二级参考文献36

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