Genetic Basis of Adaptation and Fitness — NEET Biology
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Hence, there must be a genetic basis for getting selected and to evolve. Another way of saying the same thing is that some organisms are better adapted to survive in an otherwise hostile environment. Adaptive ability is inherited. It has a genetic basis. Fitness is the end result of the ability to adapt and get selected by nature.
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Sickle cell anaemia persists in certain populations despite being harmful. Which principle best explains this?
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