chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 87441887 87441888 C G 11 GENIC heterozygous 75333763 1 87473268 87473269 T C 19 GENIC homozygous 74216378 1 87482581 87482582 C A 5 GENIC homozygous 74216430 1 87491248 87491249 T C 14 GENIC homozygous 74216451