title: Familial correlational analyses, sex differences, and the X-linked gene hypothesis.
mesh_terms: D005260:Female; D008040:Genetic Linkage; D006801:Humans; D008297:Male; D008957:Models, Genetic; D011597:Psychomotor Performance / Q000502:physiology; D012730:Sex Chromosomes; D012737:Sex Factors; D013028:Space Perception / Q000502:physiology; D013223:Statistics as Topic; D014960:X Chromosome