chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 16740188 16740189 C CT 7 GENIC heterozygous 45843891 20 16747001 16747002 T TCTTC 16 GENIC homozygous 45843892 20 16751049 16751050 T - 2 GENIC homozygous 45689262 20 16752260 16752262 GT -- 16 GENIC heterozygous 45864558