chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 11397624 11397625 T C 4 GENIC heterozygous 125216124 20 11411712 11411713 T C 16 GENIC homozygous 125179109 20 11411731 11411732 T C 8 GENIC homozygous 125179110