CBSE Notes, Lectures

CBSE - Biology - Heredity and Evolution

Heredity and Evolution

NCERT In Text

If a trait A exists in 10% of a population of an asexually reproducing species

 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? 

Sol.       Trait B is likely to have arisen earlier because it is present in a larger portion of the population.

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