chr start stop reference nuc variant nuc depth genic status zygosity variant ID 14 18744536 18744537 A T 45 GENIC homozygous 113367837 14 18744537 18744538 A C 45 GENIC homozygous 113367839 14 18744637 18744638 T C 60 GENIC homozygous 113367841