chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 270339342 270339343 A C 28 GENIC heterozygous 59570134 2 270339648 270339649 A T 28 GENIC heterozygous 59978834 2 270339850 270339851 C T 32 GENIC heterozygous 59978835