We learn that the two are actually homologous in some way.

"Homologous" just means of similar structure and function.

This one branch is the Liberty of Thought: from which it is impossible to separate the cognate liberty of speaking and of writing.

"It warms our hearts that deep homology is gaining traction like this," he said.

We start with these fragments, and then we have a homologous recombination system that reassembles those into a chromosome.