From Newsgroup: alt.tv.star-trek.tos   
   From Address: Led4acs@aol.com   
   Subject: Re: Star Trek: Am I the Only One?   
      
   On Dec 23, 12:18apm, Dimensional Traveler  wrote:   
   > Led4Aces wrote:   
   > > On Dec 22, 12:46 pm, ques...@infionline.net (Harold Groot) wrote:   
   > >> On Tue, 22 Dec 2009 10:46:49 -0800 (PST), Led4Aces    
   > >> wrote:   
   >   
   > >>>> And she created a pathogen that regressed most of the crew into half   
   > >>>> whatever they were / half one of their ancestors (which doesn't explain   
   w=   
   > >>> hy   
   > >>>> Barclay became half spider, since they aren't ancestors of humans)...   
   > >>> Not exactly. Go back far enough and Humans and spiders have a common   
   > >>> ancestor. Probably hundreds of millions of years.   
   > >> Yeah, but none of Barclay's ancestors had actual spider genes. a   
   >   
   > > But they have the genes of the common ancestor....which is spider-   
   > > like.   
   >   
   > Not even close.   
   Well you probably are right.  A little digging reveals that the common   
   ancestor is back further than I thought, not a hundred or two hundred   
   million years, but closer to 600 million years.   
   The common ancestor was more worm-like, likely found in oceans. Some   
   of the features it might have: A heart, A gut running the length of   
   the body, A central nervous system, eyespots and limbs of some kind,   
   not well developed.   
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