What determines the size of our brain?
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Discovery Health answered:To some extent, brain size is determined by genetics. There is a much greater correlation in brain size, for instance, in studies of identical twins who share the same genetic makeup than there is for fraternal twins, who share about half of the same genes.
To some extent, brain size is determined by genetics. There is a much greater correlation in brain size, for instance, in studies of identical twins who share the same genetic makeup than there is for fraternal twins, who share about half of the... More
