>>> There exists a number of behavioural differences, mainly due
>>> to social programming, but also from hormonal differences, and, finally,
>>> from DNA differences. The social programming makes the greatest
>> DNA differences? I don't think so. Female and male brains are
>> differentiated somewhat during fetal development due to the
>> presence/absence of certain chemicals and hormones.
Remember that those differences in hormonal levels etc. are brought about by
the differences in the genetic code for the organism. That is, "DNA
differences" are not completely unrelated to "Hormonal Differences", as the
precise nature of these "Hormonal Differences" is almost entirely defined by
those "DNA differences". The genetic code for an organism is at the root of
everything that organism will become. Of course, the genetic code for a
brain, for example, codes for an adaptable "learning" organ which will be
able to change (within specified parameters) when exposed to certain, also
predefined in the DNA, stimuli.
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