The X chromosome is one of the two sex-determining chromosomes allosomes in many organisms, including mammals the other is the Y chromosome , and is found in both males and females. It is a part of the XY sex-determination system and X0 sex-determination system.
human linkage factor x sex intelligence Evolution
Since the father retains his X chromosome from his mother, a human female has one X chromosome from her paternal grandmother father's side , and one X chromosome from her mother. Examining the relationship between autism spectrum disorders and technical professions in high functioning adults. He was the first to apply the theory of natural selection to humanity to explain the course of human evolution. The X chromosome carries hundreds of genes but few, if any, of these have anything to do directly with sex determination. Wilson, E.
These findings indicate that alleles for autism overlap broadly with alleles for high intelligence, which appears paradoxical given that autism is characterized, overall, by below-average IQ. Psychiatry 5, e Lyell, Charles: A 19th-century scientist considered a father of modern geology.