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To: allmendream; exDemMom; Mind-numbed Robot; Alamo-Girl; GourmetDan; gobucks; ...
A fruit fly speciation event took place in the lab such that the new population was absolutely infertile with any other fruit flies.

So what??? That only makes it a mutant of an extant species, not a new species.

You wrote: "they are ABSOLUTELY not the same species by the ‘hardest’ criteria of species — not being able to reproduce together."

So reproduction defines what is a species? Does that make gay people a new species?

186 posted on 08/23/2011 3:21:18 PM PDT by betty boop (We are led to believe a lie when we see with, and not through, the eye. — William Blake)
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To: betty boop

Two populations that cannot interbreed are definitely different species - the definition of a species being an interbreeding population.

Homosexuals can and do reproduce with ‘normal’ humans all the time. Are you REALLY that dense?


187 posted on 08/23/2011 3:24:07 PM PDT by allmendream (Tea Party did not send the GOP to D.C. to negotiate the terms of our surrender to socialism.)
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To: betty boop

And here is a hint for you.

Any new species will be a “mutant” version of a previous species by biological definition.

What other mechanism could produce a new species with different traits and the inability to reproduce with the ‘parent species’ other than mutation - i.e. a change in DNA?

That is like saying that a lake never becomes a swamp - and when I show you an example of a lake that became a swamp - you say that it is just a dried up lake.

Drying up is how a lake would turn into a swamp.

Duh.


189 posted on 08/23/2011 3:29:11 PM PDT by allmendream (Tea Party did not send the GOP to D.C. to negotiate the terms of our surrender to socialism.)
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To: betty boop; allmendream; exDemMom; Mind-numbed Robot; Alamo-Girl; GourmetDan; gobucks
You (amd) wrote: "they are ABSOLUTELY not the same species by the ‘hardest’ criteria of species — not being able to reproduce together."

Well, then, I guess someone needs to redefine the species of tigers and lions, and horses and donkeys.

They can interbreed and I don't doubt that there are other examples in nature.

201 posted on 08/23/2011 5:27:53 PM PDT by metmom (For freedom Christ has set us free; stand firm therefore, & do not submit again to a yoke of slavery)
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To: betty boop

By definition, two populations are different species if a mating between them do not produce fertile offspring.

Horses and donkeys can produce offspring, but the offspring are sterile; ergo, horses and donkeys are not the same species.


205 posted on 08/23/2011 5:57:59 PM PDT by exDemMom (Now that I've finally accepted that I'm living a bad hair life, I'm more at peace with the world.)
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To: betty boop; metmom
Does that make gay people a new species?

LOL

I think liberals may be a different species. :)

210 posted on 08/23/2011 6:38:38 PM PDT by tpanther (Science was, is and will forever be a small subset of God's creation.)
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