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Posted by mingrasc on December 31, 2002 at 14:05:12:
In Reply to: Re: mtDNA - pros and cons posted by troy h on December 12, 2002 at 13:49:07:
Hi Troy--
Let me jump in here, I've read only a bit of this thread, since I haven't followed the whole thing, so I may be addressing the wrong arguements...
>>> so each gene is only 1 character?
No, each nucleotide site is considered one character. There are different models of nucleotide evolution which you can apply to your sequence, depending exactly on what you are sequencing.
>>>if this is so, then how could a gene tree (=1 character) be considered to provide as much information of as a tree based on a dozen or so morphological characters?
It's not.
>>>I have not seen the Reeder/Wiens paper. If morphological or similar data come into it, then we are dealing with a whole new ball game, since morphological characters don't have a built in set of phylgoenetic infgormation each, unlike a sequence.
I don't follow here with the "built in" part?
