chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 19172367 19172368 G A 16 GENIC homozygous 579994276 12 19172833 19172834 A C 5 GENIC heterozygous 579994277 12 19173625 19173626 G A 5 GENIC heterozygous 579994278