chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 55879411 55879412 A G 23 GENIC homozygous 791940179 19 55880189 55880190 A C 19 GENIC homozygous 791940180 19 55880487 55880488 C T 37 GENIC homozygous 791940181