[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
--- Dinogeorge@aol.com wrote:
> In a message dated 6/16/03 1:18:33 AM EST, firstname.lastname@example.org writes:
> If a "frame-shift" can be shown to happen from time to time in other
> lineages, then you have a much stronger case for its occurrence in the
> dinosaur-avian lineage. If, however, a "frame-shift" is an artifactual
> construct dreamed up to account for an annoying discrepancy in a cladogram,
> unknown anywhere else, then it is just another junk hypothesis, something
> cladists dredge up to explain why their cladograms don't seem to accord with
Frame shift has been noted to occur in vertebrae (e.g. in humans) and in kiwi
(_Apteryx_) manual digits. I'm sure there are other examples as well.
I'd like to ask again how you know the digits of, e.g., _Archaeopteryx_ are
I-II-III in the absence of embryonic material.
=====> T. Michael Keesey <email@example.com>
=====> The Dinosauricon <http://dinosauricon.com>
=====> BloodySteak <http://bloodysteak.com>
=====> Instant Messenger <Ric Blayze>
Do you Yahoo!?
SBC Yahoo! DSL - Now only $29.95 per month!