chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 5892202 5892203 A C 7 GENIC homozygous 45673051 20 5893987 5893988 G C 20 GENIC homozygous 45673052 20 5894198 5894199 A G 22 GENIC homozygous 45390663