evolutionary event

Behavior (4): All responses are RNA-mediated in birds

Bird Genomes Abound Scientists complete the largest-ever comparative genomic study of birds. By Ruth Williams | December 11, 2014 Excerpt: “The results of this effort provide not only the most precise genetic history of birds to date, but also reveal why avian genomes tend to be small compared to those of other vertebrates: because they have lost a lot of genes and have far fewer repeat sequences. Furthermore, the data show that, compared with mammals, both the nucleotide sequences and…

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Physics denied; pseudoscientific nonsense accepted

  The events depicted are now portrayed in the context of Genome Dynamics Events, which are biophysically-constrained RNA-mediated events. RNA-mediated events lead to amino acid substitutions that differentiate the cell types of species. For example: “…the so-called alpha chains of hemoglobin have identical sequences of amino acids in man and the chimpanzee, but they differ in a single amino acid (out of 141) in the gorilla.” Dobzhansky (1973) See also: God, Darwin and My College Biology Class By DAVID P.…

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Evolving DNA before RNA

A Tiny Emissary From the Ancient Past SEPT. 25, 2014 by Carl Zimmer Excerpt 1) The evolutionary origins of viruses and viroids are totally different…” My comment: How could evolution origins be totally different for anything? Has neo-Darwinian theory changed to allow some organisms to evolve via mutations and some to evolve another way? Excerpt 2) The ancestors of plants gained the ability to capture sunlight by swallowing up photosynthetic microbes. Dr. Flores speculated that these microbes, called cyanobacteria, may…

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Miracles are not miracles to evolutionary theorists

Science 19 September 2014: Vol. 345 no. 6203 pp. 1443-1445 DOI: 10.1126/science.345.6203.1443 No miracles Excerpt: “There’s a reason these crows make tools and other birds don’t,” he says. “It’s not a miracle.” THAT SENTENCE, along with the even shorter phrase “no miracles,” is a favorite of Gray’s. The power of evolution “to explain many things,” as he puts it, struck him when he was still in high school in Tauranga, south of Auckland, after reading Richard Dawkins’s The Selfish Gene.”…

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“Kardashians” in science

On “Kardashians” in science and the general relationship between achievement and fame Posted on September 19, 2014 by Lascap Excerpt Ultimately, it is all about the relevance of one’s contribution. But trying to discredit an increasingly important form of academic activity (outreach), by shaming those engaged in it, is probably uncalled for. My comment: The relevance of our 1996 Hormones and Behavior review was the details on RNA-mediated cell type differentiation.  From Fertilization to Adult Sexual Behavior Although it was…

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Can epigenetic inheritance occur without concurrent changes in morphology AND behavior?

Heritable Histones Scientists show how roundworm daughter cells remember the histone modification patterns of their parents. By Ruth Williams | September 18, 2014 My comment: Strike three, your theories are out. Re: Strike 1) Combating Evolution to Fight Disease Strike 2) RNA and dynamic nuclear organization Strike 3) Starvation-Induced Transgenerational Inheritance of Small RNAs in C. elegans Does anyone think this latest addition of experimental evidence on heritable histones is not just another thinly-veiled attempt to continue the fight against disease?…

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Watching and waiting for more retractions

Brain Genetics Paper Retracted A study that identified genes linked to communication between different areas of the brain has been retracted by its authors because of statistical flaws. By Anna Azvolinsky | September 4, 2014 Excerpt: “This retraction raises the issue of how many papers may have falsely reported gene associations because of the constantly evolving changes in gene assemblies and boundaries. That’s really alarming to me.” My comment: I am alarmed by those who report anything in terms of…

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A molecular visualizer of worthwhile molecular biology

Ruben Gonzalez Jr.: Molecular Visualizer Associate Professor and Director of Graduate Studies, Department of Chemistry, Columbia University. Age 42 By Jef Akst | September 1, 2014 Excerpt: “Much of his group’s current work involves extending discoveries about translation in E. coli to the process in eukaryotes, with an eye toward human health and disease.” My comment: That sums up the frustration that other serious scientists must share when they hear pseudoscientific nonsense touted about mutations, natural selection, and the evolution…

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Some neuroscientists think a mutation led to human language development

Neuroscientists identify key role of language gene Excerpt: “Neuroscientists have found that a gene mutation that arose more than half a million years ago may be key to humans’ unique ability to produce and understand speech.” Excerpt: “…the gene that allowed us to speak may have something to do with a special kind of learning, The gene was first identified in a group of family members who had severe difficulties in speaking and understanding speech, and who were found to…

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RNA-mediated ecological adaptation is not evolution

Prehistoric Critters Change View of Mammal Evolution Three extinct squirrel-like species were identified from Jurassic-era fossils in China. By Molly Sharlach | September 12, 2014 Excerpt 1): “The fossils suggest that the slender animals spent time in trees, and had hands and feet adapted for grabbing branches. Their resemblance to present-day squirrels is a result of convergent evolution, as they belong to a lineage that diverged from that of modern mammals long ago.” My comment: Resemblance in the fossil record…

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