Convergent Evolution - Reasonable conclusion? or convenient excuse?

Why? Until Prestin is produced, there is absolutely nothing for Natural Selection to select and conserve, so why would the required mutations accrue over generations?Unless you're going to rely on that old stand-by Genetic Drift (aka Dumb Luck) which seems to be (in the evolutionists's mind, at least) capable of overcoming the most prohibitive odds.

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"Often a cold shudder has run through me, and I have asked myself whether I may have not devoted myself to a fantasy." Charles Darwin

But we aren't discussing the de novo creation of the entire Prestin gene, we are talking about a small number of amino acids that are common to the bats' and dolphins' Prestin protein. The Prestin gene was already extant in the mammals, it didn't suddenly appear in dolphins and bats while being absent in every other mammal .What topic exactly is it that you are trying to address?TTFN,WKEdited by Wounded King, : No reason given.