chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 215610601 215610602 A G 16 GENIC homozygous 108534748 1 215610947 215610948 G A 20 GENIC homozygous 120592705 1 215611596 215611597 C A 16 GENIC homozygous 120592707