chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 216127669 216127670 G A 24 GENIC homozygous 615816174 4 216127778 216127779 C T 16 GENIC homozygous 615816175 4 216127782 216127783 T C 15 GENIC homozygous 615816176