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Study on Random Amplified Polymorphic DNA of black goats (population) in Sichuan Province
Author(s): 
Pages: 259-262
Year: Issue:  2
Journal: JOURNAL OF SOUTHWEST UNIVERSITY FOR NATIONALITIES(NATURAL SCIENCE EDITION)

Keyword:  黑山羊RAPD遗传相似系数遗传距离指数分子遗传标记;
Abstract: 从5组24个随机引物中筛选出16个重复性好的多态引物,对四川9个黑山羊品种(群体)共计572只个体,进行随机扩增多态DNA(RAPD)标记研究.结果表明,16个引物扩增出125条带,其中102条带呈现多态,多态率为81.61%.不同引物扩增出的DNA片段在各品种(群体)中的分布频率不同.9个黑山羊品种(群体)间相似系数为0.7533~0.9642,遗传距离指数为0.0358~0.2467.引物OPQ-06(序列为GAGCGCCTTG)未在乐至黑山羊中扩增出900bpDNA片段,而在其他8个黑山羊品种(群体)中出现率均为1,可作为区分乐至黑山羊和其他8个黑山羊品种(群体)的分子遗传标记.引物OPK-03(序列为CCAGCTTAGG)未在江安黑山羊扩增出550bpDNA片段,在其他8个黑山羊品种(群体)中出现率均为1,可用于区分江安黑山羊和其他8个黑山羊品种(群体)的分子遗传标记.
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