Here is Ball’s proposed rule for molecular biologists: “stop assuming,” he writes, “we know which parts of DNA matter and which don’t.”
Eugene Koonin pointed out that any abiogenesis scenario requires a cosmological background theory against which any local event probabilities must be evaluated.
“We don’t know what this structure does, so it probably does nothing. Remember, evolution produces a lot of non-functional debris.”
Early in his presentation, McInerney says that he hopes to persuade his audience that this familiar LUCA-based hypothesis “has been falsified.”
Conservation of function, but not genes, can be understood with an analogy to natural language. Consider two sentences.