chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 172807610 172807611 A T 28 GENIC homozygous 108386037 1 172808250 172808251 T A 33 GENIC homozygous 108386045 1 172808292 172808293 G A 30 GENIC homozygous 108386047