chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 30390773 30390774 A C 7 GENIC homozygous 939804149 20 30390781 30390782 G C 7 GENIC homozygous 939804150 20 30390787 30390788 A C 7 GENIC homozygous 939804151 20 30402303 30402304 T G 27 GENIC homozygous 939804152