chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 19172367 19172368 G A 6 GENIC homozygous 590628453 12 19172833 19172834 A C 5 GENIC heterozygous 590628454 12 19173625 19173626 G A 1 GENIC homozygous 590628455