chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 66306754 66306755 C T 49 GENIC heterozygous 46275234 19 66323735 66323736 G GT 12 GENIC homozygous 46191174 19 66336821 66336822 G C 37 GENIC possibly homozygous 46191178