September 18, 2004 06:09PM
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Registered: 19 years ago
Posts: 3,374
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Salsassin Wrote:
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> I know what a recessive gene is. But until that
> recessive gene becomes manifest as a phenotype in
> the majority of the population the claim they are
> the same people is not accurate.
Where did the idea that skin color genes are recessive come from? They are not. Skin color is not a recessive/dominant type of trait. That is the fallacy that Welsing is pushing, i.e. white is recessive therefore whte men are racists because they are afraid that black men will eliminate their genes because anytime a black man mates with a white woman you get a black child. False.
Look at this paper:
Flavia C. Parra, et al. 2003. “Color and Genomic Ancestry of Brazilians,” Proc. Natl. Acad. Sci. (USA) 100: 177-182.
This work was undertaken to ascertain to what degree the physical appearance of a Brazilian individual was predictive of genomic African ancestry. Using a panel of 10 population-specific alleles, we assigned to each person an African ancestry index (AAI). The procedure was able to tell apart, with no overlaps, 20 males from northern Portugal from males from Sao Tome Island on the west coast of Africa. We also tested 10 Brazilian Amerindians and observed that their AAI values fell in the same range as the Europeans. Finally, we studied two different Brazilian population samples. The first consisted of 173 individuals from a rural Southeastern community, clinically classified according to their Color (white, black, or intermediate) with a multivariate evaluation based on skin pigmentation in the medial part of the arm, hair color and texture, and the shape of the nose and lips. In contrast to the clear-cut results with the African and European samples, our results showed large variances and extensive overlaps among the three color categories. We next embarked on a study of 200 unrelated Brazilian white males who originated from cosmopolitan centers of the four major geographic regions of the country. The results showed AAI values intermediate between European and Africans, even in southern Brazil, a region predominantly peopled by European immigrants. Our data suggests that in Brazil, at an individual level, color, as determined by physical evaluation, is a poor predictor of genomic African ancestry, estimated by molecular markers.
p. 179 When we compared their AAI values for these individuals [classified as black, intermediate and white], we observed that the groups had much wider ranges than those of Europeans and Africans (Fig. 3) and that there was very significant overlap between them. For instance, one black individual had the fourth lowest (least African) AAI score (-10.48) whereas another individual, classified as intermediate, had the highest (most African) observed AAI (11.31).
p. 180 Our data demonstrated that the vast majority of Y chromosomes in white Brazilian males, regardless of their regional source, were of European origin, with a very low frequency of sub-Saharan African Y chromosomes and a complete absence of Amerindian contribution (14). On the other hand, by analyzing mtDNA, we found a surprisingly high amount of 33% Amerindian and 28% African contribution to the total mtDNA pool of white Brazilians.
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Salsassin |
September 18, 2004 07:38AM |
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Salsassin |
September 18, 2004 07:42AM |
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Anonymous User |
September 18, 2004 07:47AM |
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Roxana Cooper |
September 18, 2004 11:16AM |
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Anonymous User |
September 18, 2004 11:33AM |
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Salsassin |
September 18, 2004 12:08PM |
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Anonymous User |
September 18, 2004 12:12PM |
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Salsassin |
September 18, 2004 12:15PM |
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Anonymous User |
September 18, 2004 12:20PM |
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Salsassin |
September 18, 2004 03:13PM |
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Roxana Cooper |
September 18, 2004 05:31PM |
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Salsassin |
September 18, 2004 05:49PM |
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Roxana Cooper |
September 18, 2004 07:22PM |
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Salsassin |
September 18, 2004 07:45PM |
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bernard |
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bernard |
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Salsassin |
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bernard |
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bernard |
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Salsassin |
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wirelessguru1 |
September 18, 2004 05:09PM |
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wirelessguru1 |
September 18, 2004 04:47PM |
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Salsassin |
September 18, 2004 05:05PM |
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wirelessguru1 |
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Salsassin |
September 18, 2004 05:45PM |
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Roxana Cooper |
September 18, 2004 05:26PM |
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darkuser |
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Salsassin |
September 18, 2004 12:06PM |
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Roxana Cooper |
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Joanne |
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Salsassin |
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Doug M |
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Joanne |
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Salsassin |
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Joanne |
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Salsassin |
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Joanne |
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Salsassin |
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Joanne |
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Salsassin |
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Joanne |
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Salsassin |
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bernard |
September 18, 2004 06:09PM |
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Joanne |
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Salsassin |
September 18, 2004 06:49PM |
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Salsassin |
September 18, 2004 06:48PM |
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Roxana Cooper |
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John Wall |
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Roxana Cooper |
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John Wall |
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Salsassin |
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John Wall |
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Salsassin |
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John Wall |
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Salsassin |
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John Wall |
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Roxana Cooper |
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Doug M |
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John Wall |
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Doug M |
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John Wall |
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Doug M |
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Salsassin |
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Joanne |
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Salsassin |
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Joanne |
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Salsassin |
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John Wall |
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Joanne |
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John Wall |
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Salsassin |
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John Wall |
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Salsassin |
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John Wall |
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Salsassin |
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John Wall |
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Salsassin |
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John Wall |
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Doug M |
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John Wall |
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cicely |
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Salsassin |
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Salsassin |
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John Wall |
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Salsassin |
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Anonymous User |
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Salsassin |
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Anonymous User |
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Joanne |
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Anonymous User |
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Joanne |
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Salsassin |
September 19, 2004 01:09PM |
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Anonymous User |
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Joanne |
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Anonymous User |
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Joanne |
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Anonymous User |
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Jeff van Hout |
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Salsassin |
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Anonymous User |
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Salsassin |
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Anonymous User |
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Salsassin |
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Anonymous User |
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Salsassin |
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Anonymous User |
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Salsassin |
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Anonymous User |
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Salsassin |
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Anonymous User |
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Salsassin |
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Salsassin |
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Anonymous User |
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Salsassin |
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Anonymous User |
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Salsassin |
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Anonymous User |
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Salsassin |
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Joanne |
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Anonymous User |
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Joanne |
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DougWeller |
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Anonymous User |
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DougWeller |
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Anonymous User |
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Salsassin |
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Anonymous User |
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DougWeller |
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Anonymous User |
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Joanne |
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Anonymous User |
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Joanne |
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cicely |
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Salsassin |
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John Wall |
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cicely |
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bill barrington |
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Anonymous User |
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bill barrington |
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Salsassin |
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Salsassin |
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Anonymous User |
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Salsassin |
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bill barrington |
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DougWeller |
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Herur |
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Salsassin |
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Katherine Reece |
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Salsassin |
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Anonymous User |
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Salsassin |
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Joanne |
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Salsassin |
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John Wall |
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Salsassin |
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Joanne |
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Salsassin |
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John Wall |
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Joanne |
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Salsassin |
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Joanne |
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John Wall |
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Salsassin |
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Joanne |
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Salsassin |
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Salsassin |
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Cynnara |
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Doug M |
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