chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 56246836 56246837 T C 6 GENIC heterozygous 56905567 4 56248316 56248317 C T 20 GENIC heterozygous 56905570 4 56259205 56259206 A G 19 GENIC heterozygous 56905587