Hardy-Weinberg law

From: friend (jason_at_kalavinka.freeserve.co.uk)
Date: 06/17/04 

Date: Thu, 17 Jun 2004 05:15:19 +0000 (UTC)

Pardon my ignorance, but I have only just discovered this law.

Applying it to evolution looks a little to me like applying a rate of
interest to your bank balance - is there an equivalent to compound
interest, without getting too much into specifics.

It's fairly evident I think that it is unlike extending Newton's laws
to - say - rigid bodies (where a summation is sufficient) and more
like at minimum a noisy system with many degrees of freedom.

The problem I was having with genetic drift was the description of it
as 'random' when random changes are intermixed with less than random
changes and selection applying to the overall (but not just summed)
genome - every generation.

Maybe there is some magical method by which the random part can be
extracted after the fact, but that seems unlikely - only a part of the
result that meets tests for randomness which is likely to be a
different matter altogether.

Beginner

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