chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 47103899 47103900 C T 42 GENIC heterozygous 522348855 20 47104749 47104750 G - 26 GENIC homozygous 691674067 20 47109908 47109910 TT -- 18 GENIC heterozygous 691674069