Single Nucleotide Polymorphism (SNP) is a DNA sequence variation caused by the mutation at the level of genomic nucleotides.It has been reported as the third generation of genetic markers.

• 摘要单核苷酸多态性(SNP)是由基因组核苷酸水平上的变异引起的DNA序列多态性，被称为第三代遗传标记。