chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 185073460 185073461 G A 25 GENIC homozygous 552654645 4 185074721 185074723 CA -- 7 GENIC heterozygous 702757103 4 185076330 185076331 C CGT 4 GENIC homozygous 702757104