Black Genetics
Good reason exists to doubt whether genes advantage black Americans at sport as Jon Entine claims -- the phenomena of the birthday or age cut-off effect. ... The performance of black Americans on intellectual tests is known to relate to apparently insignificant environmental factors such as the number of blacks in their mothers class. ... The existence of such an anxiety factors raises the question whether beliefs about sporting achievement might shape black American performance in sports though enhanced confidence and ambition. ... This is not to deny the possibility of a superior genetic ability in black Americans in sport: only that citing population statistics is without meaning. The real science must involve analysis at the individual level in terms of anatomy and physiological traits, sporting success, and degrees of African ancestry [a factor that varies markedly between black Americans].