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Author Topic:   Marsupial evolution
Modulous
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Posts: 7801
From: Manchester, UK
Joined: 05-01-2005


Message 3 of 91 (398285)
04-30-2007 3:46 AM
Reply to: Message 1 by Pete OS
04-30-2007 1:10 AM


When scientists say they are more similar, to they refer to bone structure or genetic similarities?
Both. In simple terms placentals and marsupials differ in their morphology, the epipubis is apparantly a dead giveaway.
Genetically, a marsupial mouse is closer to a kangaroo than it is to a placental mouse. An interesting thread that covered this issue can be found here - I give you the last post, because it is only the last half of this thread that goes into it, so work backwards. A better, but shorter thread might be Sequence comparisons (Bioinformatics?).
but exactly which lines is more obvious to scientists?
With both the genetic and morphological data in front of them, I'd imagine the genetic data would be much more obvious. However, the genetic data is a little harder to get hold of
Hopefully that should start you in the right direction.

This message is a reply to:
 Message 1 by Pete OS, posted 04-30-2007 1:10 AM Pete OS has replied

Replies to this message:
 Message 5 by Pete OS, posted 04-30-2007 2:48 PM Modulous has replied

  
Modulous
Member
Posts: 7801
From: Manchester, UK
Joined: 05-01-2005


Message 8 of 91 (398456)
04-30-2007 8:19 PM
Reply to: Message 5 by Pete OS
04-30-2007 2:48 PM


A little help
This might possibly be of help. It's surprisingly straightforward, really - just gotta get stuck in!

This message is a reply to:
 Message 5 by Pete OS, posted 04-30-2007 2:48 PM Pete OS has not replied

  
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