"Microevolution" vs. "macroevolution."

Creationist definitions of macroevolution are worthless. There is never any way to test if they have been satisfied. The "evolution between kinds" definition is logically impossible give a common creationist concpet of "kind" as including all related species.When a creationist talks about macroevolution he or she means evolution that they refuse to accept. Any definition they offer is simply window-dressing intended to "justify" their refusal.

This topic is about macroevolution and microevolution, not abiogenesis.If you can work out the probabilities of RNA life evolving the use of DNA go ahead. Personally I doubt that even the experts have the knowledge needed to perorm a calcualtion that gives an answer that we could trust.