Re: Intelligence on the X chromosome

John Varela (
19 Aug 1996 02:48:31 GMT

In <4v7if7$>, (Bryant) writes:
>In article <>,
>catherine yronwode <> wrote:
>>Actually, the multiplicity of these genes and the presence of all of
>>them on the X chromosome was hypothesized by the researchers to account
>>for the fact that women's intelligences tend to cluster around a
>>bell-curve average but men have a split-pattern distribution of
>>intelligence, including more retarded and more genius level minds than
>I'm not aware of any study which suggests that IQ is bimodally
>distributed in men.

I don't think it's bimodal. Rather, men have a larger standard deviation of
intelligence. I recall this being taught in introductory psychology 40 years

----- John Varela -----