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For Sixth Forms: Adaptation: 3: The Mechanism of Adaptation

on BBC Television

How is it that the young resemble their parents but at the same time show individual variations?
Dr H. B. D. Kettlewell describes the controlling mechanism within the living cell and shows film of experiments which link this mechanism with the evolutionary process.
For Schools
(to 11.55)


Dr H. B. D. Kettlewell
Lawrie Lawler

BBC Television

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