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New Paper from Gareth Fraser’s Group Confirms Common Ancestry?

Cornelius Hunter

common ancestry

A new paper out of Gareth Fraser’s laboratory explains that vertebrate epithelial appendages, such as feathers, hair, scales, and teeth, “have evolved to facilitate wide-ranging aspects of survival and reproduction.” Note the infinitive form (“to facilitate”), which reveals the usual Aristotelianism/teleology undergirding evolutionary thought, but how do the evolutionists know that these structures “have evolved” in the first place? A hint comes in the next paragraph, which informs us that:

Recent research has revealed shared ancestry among amniote epithelial appendages, based on the observation that reptilian scales, avian feathers and mammalian hair share a common foundation during early development: the anatomical placode.

This is a good example of what passes as confirmation of common ancestry for evolutionists. These various vertebrate epithelial appendages “share a common foundation during early development,” so therefore they share a common ancestor. Simply put, similarity proves evolution.

This, of course, is false. Similarity does not prove evolution. This is the age-old fallacy of affirming the consequent. If P implies Q, then Q implies P, right? Wrong.

Nor is this example of fallacious reasoning a rare exception to otherwise air-tight, rigorous, thinking on the part of evolutionists.

Such fallacious reasoning is ubiquitous in evolutionary thought. It is everywhere. Not only does this example blatant fallacy appear right up front in peer-reviewed paper in a leading evolutionary journal, like a nasty virus it is literally rampant throughout the evolutionary literature.

Indeed, this example cites a 2016 paper with the same fallacy appearing in the very title:

Di-Poï N, Milinkovitch MC. The anatomical placode in reptile scale morphogenesis indicates shared ancestry among skin appendages in amniotes. Sci Adv. 2016;2:1–8.

Science, if anything, is logical. Philosophers never thought to deploy logic as a demarcation criterion because, frankly, they never in their wildest imagination could believe that people would seriously set forth fallacious reasoning, with a straight face, as legitimate science. Think again.

Photo: American alligator with Chinese alligator, by C. J. Cornish et al., via Wikipedia.

Cross-posted at Darwin’s God.

Cornelius G. Hunter

Fellow, Center for Science and Culture
Cornelius G. Hunter is a graduate of the University of Illinois where he earned a Ph.D. in Biophysics and Computational Biology. He is Adjunct Professor at Biola University and author of the award-winning Darwin’s God: Evolution and the Problem of Evil. Hunter’s other books include Darwin’s Proof, and his newest book Science’s Blind Spot (Baker/Brazos Press). Dr. Hunter's interest in the theory of evolution involves the historical and theological, as well as scientific, aspects of the theory. His blog is Darwin's God.



Aristotelianismcommon ancestryevolutionfeathersGareth Fraserhairscalesteeth