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If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier ?

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As the population of the given species reproduces asexually there would be only very minor differences generated due to small inaccuracies in DNA copying, so trait B is likely to be arisen earlier as it is present in 60% of the population.

Trait A which exists in 10% of the population may have originated due to variations.

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