Class 10 Science - Chapter Heredity and Evolution NCERT Solutions | If a trait A exists in 10% of a populati

Welcome to the NCERT Solutions for Class 10th Science - Chapter Heredity and Evolution. This page offers a step-by-step solution to the specific question from Exercise 1, Question 1: if a trait a exists in 10 of a population of an a....
Question 1

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

B trait has 60% population and A trait has 10% population. It is clearly seen that A trait has less population than B trait. B traits have arisen earlier because of the higher population than A trait, i.e, 60%. And the A trait has 10% population which is less, it means that it has arisen some time ago in the environment.

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