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?
Answer:
Trait B is present in a higher percentage of the species.
- It has likely had more time to develop and spread to 60% of the population.
- So it is likely to have appeared earlier .
- Trait A must be relatively new as it is present in only 10% of the population.
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