chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 198220131 198220132 C A 20 GENIC homozygous 108497284 1 198223266 198223267 T C 18 GENIC homozygous 108497286 1 198223647 198223648 T C 20 GENIC homozygous 108497288 1 198224908 198224909 T C 26 GENIC homozygous 108497290