chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 881801 881802 A G 19 GENIC homozygous 791848759 19 882386 882387 A G 20 GENIC homozygous 791848760 19 884156 884157 G A 12 GENIC homozygous 791848761 19 885493 885494 G A 25 GENIC heterozygous 791848762