- SNP是指基因组上单个核苷酸的替换，人群频率大于1%；（from wiki）
- SNV为单个核苷酸的突变，可能发生于体细胞中（比如，肿瘤），无频率限制；（from wiki）
- DIP是指种内的单个基因组位置上的缺失插入的多态性；（from Biostars）
- A single-nucleotide polymorphism, often abbreviated to SNP (/snɪp/; plural /snɪps/), is a substitution of a single nucleotide that occurs at a specific position in the genome, where each variation is present to some appreciable degree within a population (e.g. > 1%).[1]
- A single-nucleotide variant (SNV) is a variation in a single nucleotide without any limitations of frequency and may arise in somatic cells. A somatic single-nucleotide variation (e.g., caused by cancer) may also be called a single-nucleotide alteration.
- a DIP is a deletion/insertion polymorphism, so an indel within-species of a single genomic position
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