chr start stop reference nuc variant nuc depth genic status zygosity variant ID 8 20128492 20128493 T G 8 GENIC homozygous 827939401 8 20128576 20128577 C T 16 GENIC homozygous 827939402 8 20128741 20128742 C T 16 GENIC homozygous 827939403 8 20128807 20128808 T G 17 GENIC homozygous 827939404