chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 80198622 80198623 G A 26 GENIC homozygous 108140128 1 80198631 80198632 G A 26 GENIC homozygous 108140129 1 80198639 80198640 G T 28 GENIC possibly homozygous 108140130