If "not all acquired characteristics are beneficial and in fact the vast
majority of them are not"
how is that functionally different from mutations.
Richard David Ruquist


On Fri, Aug 9, 2013 at 10:37 AM, John Clark <johnkcl...@gmail.com> wrote:

> On Fri, Aug 9, 2013  Russell Standish <li...@hpcoders.com.au> wrote:
>
>  >  variants like Larmarkianism may well be possible.
>>
>
> There are a number of problems with Lamarckism, such as it never having
> been observed to occur in the lab or in the wild, and it being completely
> inconsistent with our understanding of embryology, but there is an even
> more significant flaw. As Richard Dawkins has said Lamarckism can only work
> by riding on the back of Darwin. According to Lamarck we can inherit the
> acquired characteristics that our parents developed during their lives,
> like powerful arm muscles if your father was a blacksmith and thick skin on
> your feet if your mother did a lot of barefoot walking; but not all
> acquired characteristics are beneficial and in fact the vast majority of
> them are not. If Lamarckian evolution is to proceed in the direction of
> greater adaption then you can't inherit things from your parents like scars
> or broken legs or a poked out eye or the general decrepitude of old age. So
> Lamarck needs a way to separate out the good acquired characteristics from
> the bad acquired characteristics, and the only known way to do that is
> Darwinian style Natural Selection. Therefore as Dawkins says "Darwinism is
> the only known theory that is in principle CAPABLE of explaining certain
> aspects of life"
>
>   John K Clark
>
> **
>
>
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