chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 16793400 16793401 T C 10 GENIC possibly homozygous 45451566 20 16798095 16798096 A - 2 GENIC heterozygous 45451571 20 16799359 16799360 A G 6 GENIC heterozygous 45451580