chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 168028769 168028770 T C 25 GENIC homozygous 108359231 1 168028796 168028797 G A 24 GENIC homozygous 108955861 1 168029182 168029183 C T 20 GENIC homozygous 108359233