chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 19658644 19658645 T G 16 GENIC homozygous 109128589 20 19658903 19658904 A C 17 GENIC homozygous 109128591 20 19665270 19665271 T C 2 GENIC homozygous 109372317 20 19669211 19669212 A G 19 GENIC homozygous 109128623