[neverdem]

Copy number variation, cnv, in genes strikes again.

[LukeL]

Explain how a basic (relatively speaking) 2-chamber heart circulatory system can evolve into the very complex 4 chamber or double heart system.

[xenophiles]

A typically badly-written science article. The point isn't that a duplicated gene is a safety backup, it's that two normal copies give an effect different from that of one normal copy and one mutant. And the article doesn't mention whether there's any similarity between the mutant variants, so we don't know whether the mutant variants are doing anything at all.

I have a serious question for you creationists. About how many of these anti-evolution arguments do you have at hand, and can you remember ever seeing any of them refuted?

[kosciusko51]

Are we surprised that genes have error-correcting mechanisms in them, considering how much error-correction and damage-control organisms already have?

This neither proves or disproves evolution. An evolutionist will say, “See, you can muck up the genetic sequence, and still get a viable animal”, and the ID guy will say, “What a smart designer to have an error-correction mechanisms built into the design”.

[SunkenCiv]

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