chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 72552093 72552094 A G 25 GENIC homozygous 110399151 18 72574188 72574189 A G 23 GENIC homozygous 110869131 18 72601027 72601028 G C 20 GENIC homozygous 110399274