chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 229938713 229938714 T C 21 GENIC homozygous 108562493 1 229938977 229938978 G T 20 GENIC homozygous 109003480 1 229939319 229939320 T G 10 GENIC homozygous 108562495