chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 124976941 124976942 C T 21 GENIC heterozygous 54514672 7 124977294 124977295 T C 41 GENIC heterozygous 54240013 7 124986928 124986929 T C 15 GENIC heterozygous 54240033