chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 229890121 229890122 G C 24 GENIC homozygous 108562310 1 229890262 229890263 C T 6 GENIC homozygous 108562314 1 229890469 229890470 A C 16 GENIC homozygous 108562316