provided the kind of references I'm asking of you, because I'm not
the one who claimed bio-science authority for use of the term 'human
being' or 'human life' to reference a zygote or exclusive to post
born individual.
It is you that repeatedly asserted bio-science consensus for zygote
as human being (if I've understood you correctly). While I see, in
your citations below, biological descriptions of zygotes, I don't see
citations below to concisely support zygote as 'human being'
I hope you've noticed by now that I'm also insisting on a similar
standard for pro abortion rights advocates who claim bio-science
supports excluding use of the term 'human life' to ONLY post born
individuals.
-Terry Liberty Parker
PERSONHOOD: Abortion & beyond
at http://groups.yahoo.com/group/Libertarian/message/48351
--- In [email protected], "Thomas L. Knapp"
<[EMAIL PROTECTED]> wrote:
>
> Terry,
>
> > Tom, since, in this forum, you repeatedly use the term 'human
being'
> > in referring to a human zygote AND maintain that bio-science
> > consensus supports such use, it would be a more credible claim if
you
> > provided URLs to CONCISE mutually respectable sources (am holding
> > pro/anti abortion rights advocates to same standard here)
>
> I'm not sure what you mean by "mutually respectable sources,"
> especially in the context of holding both sides to the same
standard.
>
> The only citations I've seen at all so far in this thread have been
> from you, and they've been to non-scientific lay references like
> Merriam-Webster. Nothing wrong with non-scientific references ...
but
> if one is trying to establish the actuality of a "scientific
> consensus," then they aren't exactly the place to look.
>
> Also, it's more difficult to gauge whether or not a web site
reflects
> a "scientific consensus." Anyone can put up a web site that says
> anything they want it to say (including "this site represents a
> scientific consensus"). It's a different thing entirely to get a
> publisher to put up the money to print a textbook (which will have
to
> get past professional review committees to be adopted for curricula)
> or to get an article into a real journal (which will be peer-
reviewed).
>
> So, take these three as as you like -- the first is from a lay
source,
> the second and third from non-religious academic sources:
>
> "Zygote 1. The cell resulting from the union of an ovum and a
> spermatozoon (including the organism that develops from that cell)"
>
> WordWeb Online
> http://www.wordwebonline.com/en/ZYGOTE
>
> "zygote -- The product of gamete fusion. In organisms with a haploid
> life cycle, the zygote immediately undergoes meiosis, but in
organisms
> with a multicellular diploid stage, the zygote is merely the first
> stage in the diploid portion of the life cycle."
>
> University of California-Berkeley College of Paleontology, Glossary:
> Life History
> http://www.ucmp.berkeley.edu/glossary/glossary_6.html
>
> [N.B. Humans are organisms with a multicellular diploid stage. The
> diploid stage, as the entry states, begins with the original diploid
> cell -- the zygote -- and ends with death, unless one wants to
expand
> the definition of a "human life" to the prezygote stage before two
> haploid cells -- sperm and ovum -- combine, which I doubt that any
> pro-choice advocates or many pro-life advocates are interested in
doing]
>
> "What are the stages of human development?
> The National Bioethics Advisory Commission (NBAC) provided a simple
> outline of human development:
> 1. the developing organism is a zygote during the first week after
> fertilization,
> 2. the organism is an embryo during the 2nd 8th weeks of
development
> 3. the organism is a fetus from the 9th week of development until
the
> time of birth."
>
> University of California-Los Angeles Institute for Cell Biology and
> Medicine FAQ
> http://www.iscbm.ucla.edu/faq.htm
>
>
> Tom Knapp
>
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