PLINK .map file for Salvador, Brazil rat SNP Genotypes

PLINK .map file for Salvador, Brazil SNP genotypes. The genotypes themselves are in the .ped file of the same name, and the .map file contains the chromosomal coordinates for each SNP.针对巴西萨尔瓦多市单核苷酸多态性（Single Nucleotide Polymorphism, SNP）基因型数据的PLINK格式.map文件。该基因型数据本体存储于同名.ped文件内，而.map文件收录了每一个SNP对应的染色体坐标信息。