chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 37164504 37164505 T C 23 GENIC homozygous 640001218 19 37165519 37165520 T C 31 GENIC homozygous 640001219 19 37168607 37168608 C T 18 GENIC homozygous 640001220