chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 220471128 220471129 T A 37 GENIC homozygous 108994211 1 220473823 220473824 A G 24 GENIC homozygous 120594653 1 220474038 220474039 T C 25 GENIC homozygous 109449242