chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 122126226 122126227 A T 33 GENIC homozygous 119533759 4 122126231 122126232 T G 32 GENIC homozygous 119533761 4 122129228 122129229 T G 22 GENIC homozygous 119533763