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Author Topic:   Wells' Icons of Evolution - Peppered Moths
NosyNed
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Posts: 8996
From: Canada
Joined: 04-04-2003


Message 40 of 88 (104174)
04-30-2004 12:14 PM
Reply to: Message 39 by zephyr
04-30-2004 12:10 PM


My guess
My understanding is that there are always some dark in the population. I don't know why. It may be that it is linked to something that is of some other benefit. It would be interesting to have more of the details.

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NosyNed
Member
Posts: 8996
From: Canada
Joined: 04-04-2003


Message 52 of 88 (108834)
05-17-2004 3:10 PM
Reply to: Message 51 by Rick Rose
05-17-2004 2:35 PM


Change in Population
So frequency of population changed, but genetic structure of black or white moth did not change
You're sort of got it, I think. The change is in the genetic makeup of the population not the individuals. This is the very first basic step of evolution. This is put forward of an example of natural selection not of the introduction of new mutations.

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NosyNed
Member
Posts: 8996
From: Canada
Joined: 04-04-2003


Message 56 of 88 (109072)
05-18-2004 4:19 PM
Reply to: Message 55 by Rick Rose
05-18-2004 1:57 PM


How right you are!
Mutation is a deep well.
From which an astronomical number of variations can be drawn.

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 Message 55 by Rick Rose, posted 05-18-2004 1:57 PM Rick Rose has replied

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