chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 163440777 163440778 A G 23 GENIC homozygous 110108448 2 163440884 163440885 A G 12 GENIC homozygous 110108449 2 163440962 163440963 C T 11 GENIC homozygous 110108451 2 163441207 163441208 G C 12 GENIC homozygous 110108453