chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 4393041 4393042 T G 15 GENIC homozygous 109390008 20 4395090 4395091 G C 11 GENIC homozygous 109233407 20 4395173 4395174 G A 12 GENIC homozygous 109296103