interfertility

And that is a good reason to suppose that there's more than one species among the modern hominids, regardless of any consideration of interfertility.

What a Bunch of Apes! « L.E. Modesitt, Jr. – The Official Website 2009

That is what I meant by "consideration of interfertility."

What a Bunch of Apes! « L.E. Modesitt, Jr. – The Official Website 2009

Based on my own work, I accept as good species both sister species which cannot interbred and sister species which have full interfertility in the lab.

(UPDATED) Another half-brained science headline - The Panda's Thumb 2009

Based on my own work, I accept as good species both sister species which cannot interbred and sister species which have full interfertility in the lab.

(UPDATED) Another half-brained science headline - The Panda's Thumb 2009

Examine interfertility and what differences (if any) in recombination that results in.

A Dubious "Opportunity" for IDers 2007

Hence, some creationists have now dropped the requirement of “interfertility”, and have asserted that any organisms that can breed with each other and produce offspring, whether fertile or not, constitute a “kind”:

ACSI v. Stearns, aka Wendell Bird vs. UC - The Panda's Thumb 2007

The only thing the episode left out was an explanation for human-klingon-vulcan interfertility.

The SciPhi Show, IslamOnline.net - The Panda's Thumb 2006

The only thing the episode left out was an explanation for human-klingon-vulcan interfertility.

The Panda's Thumb: November 2006 Archives 2006

Crossbreeding experiments should be started immediately to establish the degree of interfertility between the gaur and other bovine species.

6 Wild Banteng 1983

Yet you didn't explain how this can be determined without interfertility tests.

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