chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 33717840 33717841 T - 12 GENIC homozygous 45530710 20 33722143 33722144 G GTTCAA 10 GENIC homozygous 45530726 20 33722145 33722146 G GCCA 10 GENIC homozygous 45530728