Re: I got some major problems coming up wrt teaching evolution
- From: lamoran@xxxxxxxxxxxxxxxxxxxxxxx (Larry Moran)
- Date: Tue, 1 Nov 2005 13:00:47 +0000 (UTC)
On Tue, 1 Nov 2005 12:47:49 +0000,
Tony Raymonds <tony2@xxxxxxxxxxxxx> wrote:
> In article <1130824190.172050.225200@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
> coasterpro@xxxxxxxxx writes
>>One major one is the evolution of sex. Why did
>>sex evolve? Sexual reproduction is inefficient. It wastes time, it
>>wastes energy, it wastes precious resources.
>
> My understanding is that it probably evolved because it's a genetic
> advantage if mutations that appear in different branches of a population
> again can come together.
>
> If two separate individuals are born with different, good mutations
> that's good for them and their offspring but without sex those two
> mutations would never come together in one individual.
>
> Any species that evolved a way of swapping genes with other members of
> the population would have a better chance of bringing together good
> genes in their descendants so it would be selected for.
If the answer is that simple then why do all the experts continue to
say that sex remains one of the great mysteries of evolutionary biology?
There seem to be two possibilites ....
1. The experts don't know about your suggestion. As soon as you let
them know (email would be good) the problem of sex will be solved.
2. The experts do know about your hypothesis but they have rejected
it as an explanation for the origin of sex.
Which possibility do you think is most likely?
Larry Moran
.
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