NileValleyPeoples: Limitations of natural selection

It is a article of faith in some quarters to tout "natural selection" for this or that physical or "behavioral" trait. Mexican guy cuts you off in traffic? Well ancient environmental pressures in the Valley of Mexico circa 15,000 BC "selected" for such lineages that lack "restraint". Some women blonde? Well nature "selected" for these women to make them more attractive to their compatriots, presumably even the pasty 200 pound chunkettes or bony types nobody is beating down the door for.

But in any event, credible scientists show that the much touted god of "selection" may be a minor or irrelevant deity in numerous cases. QUOTE:

[i]"It may appear counter-intuitive, but a large part, if not the majority, of genetic change in human populations is not thought to be due to natural selection but rather due to the play of chance (genetic drift; Harris and Meyer, 2006; Li et al., 2008; see Table 2 for a glossary of terms frequently used in population genetics). Many opportunities for chance can occur in the transmission of alleles from parents to offspring, and evidently did occur as part of the demographic process of dispersal out of Africa. Thus, finding differences in the frequency of alleles at a particular locus between populations is not an evidence of natural selection per se. The default position is that of neutral theory, whereby chance events account for most patterns of genetic diversity (Harris and Meyer, 2006). Of course, deleterious mutations will be selected against (purifying selection) and beneficial mutations may increase in frequency to fixation, but overall these events will contribute little to explaining the presence of most polymorphisms." [/i]
--J. Rees and R. harding 2011. Understanding the Evolution of Human Pigmentation: Recent Contributions from Population Genetics. Journal of Investigative Dermatology. 358

[i]"How do we know for certain whether a trait evolved through natural selection or instead, through a neutral evolutionary mechanism of genetic drift? This question (as well as any answers we may offer) is fundamental to understanding the adaptive significance, if any, of population-based (or race-based) differences in functional traits.

Many experts maintain that although natural selection plays a critical role in the evolutionary origin of many traits, it is not the driving force behind all biological phenomena. In fact, according to some evolutionary biologists who conduct empirical field research, genetic drift is typically assumed by default to account for most traits. Proving that natural selection is involved in the origin of a particular trait is a complicated process. Given the complexity of natural selection, it is not surprising that biologists cannot ascertain if there are long term differences in traits that have evolved through natural selection versus those that emerged through neutral selection. 3

There are other enigmas that must be sorted out as well if we are to identify the features that distinguish natural selection from neutral selection. For instance, genetic drift tends to be more influential in small populations while natural selection is more powerful in large populations. The microevolution of human races that occurred over the past 15,000 to 30,000 years affected smaller human populations.."[/i]

--A. Oubre 2005. The Adaptionist Yardstick: Rethinking the Social Implications of Sarich’s and Miele’s Fast-Track Micro-Evolution

Joint products of "racial evolution"...

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Quotations from mainstream academic research on the Nile Valley peoples
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Assorted data debunking
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Basic database of African studies

http://egyptsearchreloaded.proboards.com/thread/15/basic-database-nile-valley-studies

HBD EVOLUTION, BRAIN SIZE AND NATIONAL IQ CLAIMS DEBUNKED

Evolution, brain size, and the national IQ of peoples ... - Jelte Wicherts 2010

http://wicherts.socsci.uva.nl/wichertsPAIDrejoinder.pdf

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"EVOLUTIONARY" NATIONAL IQ NOTIONS DEBUNKED

Why national IQs do not support evolutionary theories of intelligence - WIcherts, Borsboom and Dolan 2010

Personality and Individual Differences 48 (2010) 91-96

http://wicherts.socsci.uva.nl/wicherts2010.pdf

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DUBIOUS HBD"STATIC IQ" CLAIMS DEBUNKED

Are intelligence tests measurement invariant over time? by JM Wicherts - ?2004

--Dolan, Wicherts et al 2004. Investigating the nature of the Flynn effect. Intelligence 32 (2004) 509-537

http://www.iapsych.com/iqmr/fe/LinkedDocuments/wicherts2004.pdf

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LYNN AND VANHAVEN'S IQ AND THE WEALTH OF NATIONS DEBUNKED

www.theamericanconservative.com/articles/race-iq-and-wealth/
another critique- mises.org/daily/2677

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HBD ANCIENT 'CAUCASOID' "COGNITIVE REVOLUTION"CLAIMS DEBUNKED

www.anth.uconn.edu/faculty/mcbrearty/Pdf/McB%20&%20Brooks%202000%20TRTW.pdf

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jp RUSHTON'S "RACIAL EVOLUTION" NOTIONSDEBUNKED

Race and other misadventures: essays in honor of Ashley Montagu... By Larry T. Reynolds, Leonard Lieberman

http://books.google.com/books?id=5DLrgG_MflgC&pg=PA190&dq=r-+k-+selection+races&cd=1#v=onepage&q=r-%20k-%20selection%20races&f=false

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SCIENTIST ALAN TEMPLETON DEBUNKS BIOLOGICAL RACE USINGHARD DATA

Race and intelligence: separating science from myth. By Jefferson M. Fish. Routledge 2002. See Templeton's detailed article referenced above also inside the book

http://books.google.com/books?id=t9OdPPLIgMAC&pg=PA64&dq=r-+k-+selection+races&cd=7#v=onepage&q=r-%20k-%20selection%20races&f=false

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RACE MATTERS DEBUNKED

http://www.ogiek.org/indepth/what-they-mean.htm

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HBD "SELECTION" AND EVOLUTION CLAIMS DEBUNKED-Sarich and Miele's "Race: the reality of Human Differences"

Oubre, A (2011) Race Genes and Ability: Rethinking Ethnic Differences, vol 1 and 2. BTI Press

For summary see: http://www.skeptic.com/eskeptic/05-02-18/

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THE BELLCURVE DEBUNKED BY STEPHEN J GOULD

http://www.dartmouth.edu/~chance/course/topics/curveball.html

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"RACIAL EVOLUTION" DEBUNKED AND"DIVERGENCE" DEBUNKED

--S OY Keita, R A Kittles, et al. "Conceptualizing human variation," Nature Genetics 36, S17 - S20 (2004)

http://www.nature.com/ng/journal/v36/n11s/pdf/ng1455.pdf

--S.O.Y. Keita and Rick Kittles. (1997) *The Persistence ofRacial Thinking and the Myth of Racial Divergence. AJPA, 99:3

http://www.councilforresponsiblegenetics.org/pageDocuments/WAURRSZQOE.pdf

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HBD RACE EVOLUTION CLAIMS DEBUNKED BY GENETICISTS

Alan Templeton. "The Genetic and Evolutionary significnce oF Human Races." pp 31-56. IN: J. FiSh (2002) Race and Intelligence: Separating scinnce from myth.

http://img560.imageshack.us/img560/239/templeton1humanracesinf.jpg

http://img685.imageshack.us/img685/2731/templeton2humanracesinf.jpg

HBD RACE AND INTELLIGENCE CLAIMS DEBUNKED

J. FiSh (2002) Race and Intelligence: Separating science from myth.

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NileValleyPeoples

Sunday, December 2, 2012

Limitations of natural selection

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