chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 29947772 29947773 C T 37 GENIC homozygous 109161028 20 29951013 29951014 A C 26 GENIC homozygous 109251600 20 29952615 29952616 A G 32 GENIC homozygous 109161032