chr start stop reference nuc variant nuc depth genic status zygosity variant ID 14 18653890 18653891 A T 22 GENIC homozygous 48552772 14 18653891 18653892 A C 23 GENIC homozygous 48552773 14 18653991 18653992 T C 27 GENIC homozygous 48552774