chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 220562606 220562607 A G 18 GENIC homozygous 110251525 2 220562620 220562621 T C 25 GENIC homozygous 110251527 2 220565569 220565570 C T 20 GENIC homozygous 110251529