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Phylogenetic Relationships of Mitochondrial DNA Cytochrome b Gene in East Asian Ducks
cytochrome b gene duck East Asia mitochondrial DNA phylogenetic relationship
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2009/7/30
The ducks (Anas platyrhynchos domestica) were domesticated from Mallard (Anas platyrhynchos). While the ducks bred in Japan and European countries are supposed to originate from the ducks in China and...
五种品系猪亲缘关系的RAPD分析Analysis on Phylogenetic Relationship and Selection of Polymorphic Primers to Five Breeds of Pigs by RAPD of 190 Arbitrary Primers
随机扩增多态DNA 小型猪 亲缘关系
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2007/12/7
摘要应用190个RAPD引物对贵州小型猪,巴马小型猪、西双版纳近交系小耳猪JB和JS亚系、荣昌猪Ⅰ系、长白猪的亲缘关系进行了初步分析,其中39个引物的扩增结果具有非常明显的品系间多态性,将其扩增结果以RAPDistance package Version 1?04程序进行分析,计算相对遗传距离指数1－F,再用NJ法进行聚类分析,构建系统树。结果表明,三种小型猪相互间亲缘关系较近,尤以贵州小型猪与巴...