chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 169000463 169000464 A T 18 GENIC homozygous 108362836 1 169000514 169000515 A C 21 GENIC homozygous 108956949 1 169001035 169001036 C G 29 GENIC homozygous 108362839