chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 77752070 77752071 C A 13 GENIC heterozygous 120502972 1 77753420 77753421 G T 11 GENIC homozygous 109503401 1 77753870 77753871 C A 9 GENIC homozygous 120472098