chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 37479307 37479308 T C 23 GENIC homozygous 109693829 19 37480750 37480751 A T 26 GENIC homozygous 109693831 19 37481120 37481121 T C 27 GENIC possibly homozygous 109693833