chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 7515150 7515151 T C 6 GENIC homozygous 45413590 20 7515188 7515189 G T 2 GENIC homozygous 45413591 20 7515206 7515207 T C 1 GENIC homozygous 45413592 20 7515217 7515218 T C 2 GENIC homozygous 45413593 20 7515871 7515872 G A 3 GENIC heterozygous 45413594