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1. Select the incorrect statement. (a) Frequency of certain genes in a population changes over several generations resulting in evolution (b) Reduction in weight of the organism due to starvation is genetically controlled (c) Low-weight parents can have heavyweight progeny Traits which are not inherited over generations do not cause evolution

ScienceClass 10CBSEAnswered 27 Mar 2026
Answer
  • Soln:

The answer is (b) Reduction in weight of the organism due to starvation is genetically controlled

Explanation:

Option b) is a wrong statement because weight loss and gain are controlled by external factors, and they are not controlled genetically.

Science · Class 10