"Chambers" <ben### [at] pacificwebguycom> wrote:
> http://www.newsweek.com/id/180103?gt1=43002
>
> Apparently, experiences that parents undergo can affect the genes passed
> on to their children.
>
> For instance, the diets of lab mice have been shown to activate or mask
> certain portions of their DNA.
>
> The real head-scratcher is the case of the water-fleas, who are born
> with or without helmets depending on their mother's experiences with
> predators.

But only to a certain extent, as in both cases it is contributing to activate or
deactivate some "switch" which is already there.  After all, it seems normal for
water-fleas (never heard of them before) to have helmet or not.

It isn't something as drastic as someone pulling the neck of an animal and
producing giraffe-like descendants... ;)

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