chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 26604021 26604022 G C 3 GENIC homozygous 110532546 18 26743112 26743113 C G 17 GENIC heterozygous 110532548 18 26753959 26753960 C G 17 GENIC homozygous 110315598