chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 181657570 181657571 T C 21 GENIC homozygous 110801517 2 181658029 181658030 A G 20 GENIC homozygous 110157065 2 181661665 181661666 C T 32 GENIC homozygous 110801519