chr start stop reference nuc variant nuc depth genic status zygosity variant ID 16 21193443 21193445 TT -- 6 GENIC heterozygous 47942903 16 21194975 21194976 T G 19 GENIC homozygous 47330148 16 21196760 21196761 T - 11 GENIC homozygous 47741363