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通过１７个随机引物的ＰＣＲ扩增结果，得到２４个玉米自交系的ＲＡＰＤ指纹图谱。根据扩增带建立０、１型数据，采用离差平方和法聚类，建立它们的亲缘关系图。根据ＲＡＰＤ标记建立的亲缘关系图与已知系谱的亲缘关系基本一致。
RAPD fingerprinting of 24 maize inbred lines was obtained by PCR amplification of 17 random primers. According to the amplification band to establish 0,1 type data, using the sum of squared deviations clustering method to establish their kinship diagram. The genetic relationship established by RAPD markers is basically the same as the known pedigree.