What shapes our existence the most? Renowned Geneticist, Steve Jones, answers: http://www.gresham.ac.uk/lectures-and-events/nature-nurture-or-neither-the-view-from-the-genes

Many people see gene and environment as separate entities and believe that height, weight, or personality type can be sliced, rather like a cake, in a section controlled by inherited factors or nature, while others are due to differences in the environment, or nurture.

In fact "heritability" (a measure much misunderstood by politicians and educationists) is more subtle than this and always involves an intimate interaction between the two, whether we are interested in height, weight, sport, or intelligence.

The transcript and downloadable versions of the lecture are available from the Gresham College website: http://www.gresham.ac.uk/lectures-and-events/nature-nurture-or-neither-the-view-from-the-genes

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