chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 177390934 177390935 A G 21 GENIC homozygous 60968700 1 177390965 177390966 T A 25 GENIC homozygous 60968702 1 177392013 177392014 T C 21 GENIC homozygous 60968706