chr start stop reference nuc variant nuc depth genic status zygosity variant ID 8 20128492 20128493 T G 12 GENIC homozygous 590420129 8 20128576 20128577 C T 12 GENIC homozygous 590420130 8 20128741 20128742 C T 20 GENIC heterozygous 590420131 8 20128807 20128808 T G 2 GENIC homozygous 590420132