chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 216154049 216154050 G A 56 GENIC homozygous 108535556 1 216154304 216154305 T C 37 GENIC homozygous 108535557 1 216155548 216155549 C G 36 GENIC homozygous 108535558