Biological System, Minor and Major Alleles and Minor Allele Frequency of 16 SNPs from Seven Genes (n = 544). NDIT Study, 1999–2008.

Abbreviations: NDIT, Nicotine Dependence In Teens; SNP, single-nucleotide polymorphism; MAF, Minor allele frequency.*Includes French-Canadian and other European ethnicities only.**Also known as DAT1.Biological System, Minor and Major Alleles and Minor Allele Frequency of 16 SNPs from Seven Genes (n = 544). NDIT Study, 1999–2008.

缩写说明：NDIT即青少年尼古丁依赖（Nicotine Dependence In Teens）；SNP即单核苷酸多态性（single-nucleotide polymorphism）；MAF即次要等位基因频率（Minor allele frequency）。* 本数据集仅包含法裔加拿大族群及其他欧洲族裔。** 该基因亦被称为DAT1。本数据集涵盖7个基因的16个单核苷酸多态性的生物学系统、主次等位基因与次要等位基因频率信息，样本量n=544。该数据来源于1999年至2008年开展的NDIT研究。