chr start stop reference nuc variant nuc depth genic status zygosity variant ID 6 77507094 77507095 T C 17 GENIC homozygous 114864579 6 77507808 77507809 A G 21 GENIC homozygous 114864580 6 77507981 77507982 T G 16 GENIC homozygous 114864581