遗传作图标记 1)第一代分子标记,单一顺序多态性: RFLP. AFLP. RAPD 2)第二代分子标记,重复顺序多态性 Simple sequence length polymorphisrns, SSLPs Variable number of tandem repeats, VNTR Simple tandem repeats, STR Single sequence repeats, SSR 3)第三代分子标记,单核苷酸多态性 Single nucleotide polymorphisms, SNP遗传作图标记 1) 第一代分子标记,单一顺序多态性: RFLP, AFLP, RAPD 2) 第二代分子标记, 重复顺序多态性: Simple sequence length polymorphisrns, SSLPs Variable number of tandem repeats, VNTR Simple tandem repeats, STR Single sequence repeats, SSR 3) 第三代分子标记, 单核苷酸多态性: Single nucleotide polymorphisms, SNP