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Author Topic:   A frog with a doubled genome
PaulK
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Posts: 17822
Joined: 01-10-2003
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(1)
Message 1 of 4 (793119)
10-21-2016 3:28 AM


17 millions of years ago a frog acquired an extra genome. Since then evolution has removed some of the copied genes, and kept others around.
What happens when you end up with an extra genome
That beats gene duplication.
Read the article, it really is fascinating.

Replies to this message:
 Message 2 by jar, posted 10-21-2016 11:13 AM PaulK has not replied
 Message 4 by Pressie, posted 10-28-2016 5:57 AM PaulK has not replied

  
jar
Member (Idle past 394 days)
Posts: 34026
From: Texas!!
Joined: 04-20-2004


Message 2 of 4 (793124)
10-21-2016 11:13 AM
Reply to: Message 1 by PaulK
10-21-2016 3:28 AM


What is really interesting to me is the evidence of evolution of different species that then later merged to become one new species.

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RAZD
Member (Idle past 1405 days)
Posts: 20714
From: the other end of the sidewalk
Joined: 03-14-2004


Message 3 of 4 (793164)
10-22-2016 11:51 AM
Reply to: Message 2 by jar
10-21-2016 11:13 AM


big gain in genetic material.
... evidence of evolution of different species that then later merged to become one new species.
One of the advantages the frogs would have is that the first batch would have numerous offspring to then mate with.
They would have to be closely related species, or actually sub-species, (by definition of species) to mate.
I think of horse and donkey and similar occurring -- such offspring would need to mate with either parent type.
There certainly is not a loss of genetic material in this situation ...
Enjoy

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Pressie
Member
Posts: 2103
From: Pretoria, SA
Joined: 06-18-2010


Message 4 of 4 (793402)
10-28-2016 5:57 AM
Reply to: Message 1 by PaulK
10-21-2016 3:28 AM


One thing that got me thinking here is whether the creationists would tell us whether to call this "more" or "less" genetic information. They're yuuuuge on that. And then they should tell us how to measure it!

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