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Natural Science Forum / Biology / Paleontology / April 2004



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Dino DNA in humans?

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Hank Higgens - 07 Apr 2004 00:29 GMT
Scientists recently found out that some dinosaur DNA can be found in
humans and it could be possible that the dinos just hide inside humans
until they will break free and rule the earth again.

So check yourself now, there *could* be a dino inside you.
Paul K. McKneely - 07 Apr 2004 23:35 GMT
> Scientists recently found out that some dinosaur DNA can be found in
> humans and it could be possible that the dinos just hide inside humans
> until they will break free and rule the earth again.
>
> So check yourself now, there *could* be a dino inside you.

I'm sure this has been taken out of context.  All higher animal forms
share a large amount of DNA because they all have certain things that
have to be done regardless of their body form.  For example, crabs,
lizards, insects and monkeys all have the enzymes that are needed to
make Kreb's Cycle happen as it should.  Therefore, they all share the
DNA for producing these many enzymes.  Otherwise, they could not turn
sugars into energy.  Just because crabs also have Kreb's Cycle doesn't
mean that we have crabs inside us just waiting to come out.  Dinosaurs
are not in mammalian ancestry because they arose from diapsids that
were not dinosaurs.  Mammals came from synapsids which are believed to
have arizen independently from more primitive anapsid reptiles back in
the Carboniferous or early Permian.
John Harshman - 08 Apr 2004 20:49 GMT
>>Scientists recently found out that some dinosaur DNA can be found in
>>humans and it could be possible that the dinos just hide inside humans
[quoted text clipped - 3 lines]
>
> I'm sure this has been taken out of context.

I suspect this is a garbled version of a true event. Some supposed
dinosaur DNA was published in, I recall, Science. Somebody else did a
BLAST search on the sequence, and it turned out to be a human sequence.
In other words, contamination of the sample. Not dino DNA hiding in
humans, but human DNA hiding in what was claimed to be dinosaur sequence.

>  All higher animal forms
> share a large amount of DNA because they all have certain things that
[quoted text clipped - 8 lines]
> have arizen independently from more primitive anapsid reptiles back in
> the Carboniferous or early Permian.
Gord - 09 Apr 2004 13:50 GMT
Actually this is entirely believable. After all DNA is simply a very complex
long chain chemical protein. It is absolutely likely that DNA can evolve in
parallel independently. The emphasis is chemical.

> Scientists recently found out that some dinosaur DNA can be found in
> humans and it could be possible that the dinos just hide inside humans
> until they will break free and rule the earth again.
>
> So check yourself now, there *could* be a dino inside you.
 
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