chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 30390773 30390774 A C 19 GENIC homozygous 796603071 20 30390781 30390782 G C 17 GENIC homozygous 796603072 20 30390787 30390788 A C 16 GENIC homozygous 796603073