The wrong picture of our evolution

“We have built a picture of our evolution based on the morphology of fossils and it was wrong.” I’ve repeatedly cited the latest literature, especially in the context of Skull 5. The article linked below is another clear representation of how the wrong picture of our evolution was built via a series of misrepresentations that ignored biological constraints while theorists touted mutation-initiated natural selection. Why don’t they simply admit that they are wrong, so others can move on? Fifty years…

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Jay R. Feierman

In his posts that I have linked below, Jay R. Feierman takes us from random mutations on which natural selection acts to natural selection for phenotypes and changes in the brain that lead to increased reproductive success. According to him, the change in the brain can be called an adaptation. In my model, ecological variation and nutrient-dependent pheromone-controlled epigenetically-effected ecological, social, neurogenic, and socio-cognitive niche construction enable organismal complexity of the human brain. Ecological variation links the epigenetic landscape to…

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Pheromone-controlled thermodynamics and cancer

“If you learnt evolutionary biology and genetics a decade or more ago you need to be aware that those debates have moved on very considerably, as has the experimental and field work on which they are based.” — Denis Noble Can thermodynamics help us better understand human cancers? Excerpt: “In a new study, UCLA researchers analyzed the gene-expression profiles of more than 2,000 patients and were able to identify cancer-specific gene signatures for breast, lung, prostate and ovarian cancers. The…

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Evolution: innovations may have non-adaptive origins (sans mutations)

Q & A: Evolution Makes Do By Chris Palmer Evolutionary biologist Andreas Wagner argues that many evolutionary innovations may have non-adaptive origins. Excerpt: “If exaptations are pervasive, then natural selection—which few doubt is critical for the preservation and spreading of traits—may not be that important for the origin of innovations in life’s history.” See also: Rapid detection of positive selection in genes and genomes through variation clusters Excerpt: “They occur in well-defined domains of a protein’s tertiary structure and show…

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A thought experiment

I may be confused about proximate and ultimate cause, especially if the role of transgenerational epigenetic inheritance is not central to the extended evolutionary synthesis. Isn’t transgenerational epigenetic inheritance the problem that led Dickins and Rahman to suggest a thought experiment; one where epigenetic mechanisms introduce shifts in learning bias for certain associations as would endocrine functioning? If so, my model (Kohl, 2012), which combines the epigenetic effects of nutrient chemicals and pheromones with biased endocrine functioning and adaptive evolution,…

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