chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 74091923 74091924 G T 25 GENIC homozygous 109831228 2 74092171 74092172 G A 14 GENIC homozygous 109831229 2 74092244 74092245 T G 13 GENIC homozygous 110710340