chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 68985571 68985572 A C 29 GENIC homozygous 110493198 18 68986516 68986517 C A 34 GENIC homozygous 110396216 18 68998726 68998727 G A 21 GENIC homozygous 110493202