chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 229991362 229991363 C T 17 GENIC homozygous 109003510 1 229991706 229991707 G T 36 GENIC homozygous 109003511 1 229991721 229991722 A G 33 GENIC homozygous 108562631