chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 16751049 16751050 T - 8 GENIC possibly homozygous 45689262 20 16752543 16752546 ACA --- 19 GENIC heterozygous 45451474 20 16752561 16752562 G C 28 GENIC heterozygous 45451475