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Re: Race, intelligence, and anti-racist prejudice (Was: Genetic Evolution)
Barbara Saunders (saunders@sybase.com)
Thu, 23 Feb 1995 22:51:47 GMT
In article <D4FnJC.E1q@unx.sas.com> saswss@hotellng.unx.sas.com (Warren Sarle) writes:
>
>In article <octaviaD4C4un.9n8@netcom.com>, octavia@netcom.com (Kaa Byington) writes:
>|> ...
>|> as the Newsweek article points out, if you pick two "blacks" at random and
>|> test their DNA, you will probably find that their genes have less in
>|> common that do the genes of one of them with that of a random "white"
>|> person.
>
>That is mathematically impossible. The statement that within-group
>variation is greater than between-group variation means that the
>average difference between two individuals from the same group is
>greater than the average difference between group _means_, not
>between individuals from different groups.
>From what I've heard, Kaa's statement was correct. It's not simply
that within group variation is greater than between group variation.
Recognizable race is controlled by such a minisule portion of all genetic
material that a given black person and a given white person might be
more alike in total genetic material than either of them would with a
person of his/her respective race.
>
Barbara
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