chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 49525443 49525446 TTG 27 GENIC homozygous 129616298 19 49525956 49525957 G A 18 GENIC homozygous 109723807 19 49526098 49526098 AC 20 GENIC possibly homozygous 129616299 19 49532573 49532574 T C 21 GENIC homozygous 109820875