chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 15387018 15387019 T C 14 GENIC homozygous 139091643 12 15390392 15390393 T C 16 GENIC homozygous 139091655 12 15393619 15393620 T A 20 GENIC homozygous 139091664