作　　者： ; ; ; ; ; (张锦）; (蔡笛扬）;

机构地区： 甘肃农业大学

出　　处： 《甘肃农业大学学报》 2006年第3期16-21,共6页

摘　　要： 利用随机扩增多态DNA(RAPD)技术分析番鸭的遗传多样性,20个引物共扩增出164条带,分子量约在200 ～2 000 bp之间,番鸭20个个体间遗传距离为0．4572～0．0177,群体内个体间遗传相似度(F)为0．9823～0．5428,遗传多样性指效(Ho)平均为0．1639．结果表明番鸭DNA的同源性高,品种的纯度保持较好． Random amplified polymorphic DNA （RAPD） was used to estimate the genetic diversity of muscovy,twenty 10 bp single primers sequence were used to amplify genomic DNA. 164 bands of 200～2 000 bp were got. The results showed that the genetic distance（D）was 0. 457～0. 017 7, the genetic similarity among individuals（F）was 0. 982 3 t0. 542 8 and average index of genetic diversity（Ho）of 20 muscovies was 0. 163 9. This indicated that muscovies DNA had high homology, and the breed pure was kept well. 　

关 键 词： 番鸭 遗传结构 遗传多样性

领　　域： [农业科学] [农业科学]