chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 188112451 188112452 T C 23 GENIC homozygous 110993570 2 188113455 188113456 T C 19 GENIC homozygous 110168316 2 188135208 188135209 C T 18 GENIC homozygous 110993582