chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 2644743 2644744 T G 19 GENIC homozygous 139064324 12 2644746 2644747 T G 20 GENIC homozygous 139064325 12 2644750 2644751 T C 22 GENIC homozygous 139064326