chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 74611992 74611993 C A 32 GENIC homozygous 58888940 2 74611995 74611996 C T 31 GENIC homozygous 58888941 2 74611996 74611997 C G 31 GENIC homozygous 58888942 2 74611999 74612000 C G 33 GENIC homozygous 58888943 2 74612000 74612001 C T 33 GENIC homozygous 58888944