chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 2439556 2439557 A T 21 GENIC heterozygous 46753038 18 2441906 2441907 G - 9 GENIC heterozygous 46874387 18 2442203 2442204 A G 28 GENIC heterozygous 46560686 18 2446275 2446276 A C 43 GENIC heterozygous 46640196