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2 public questions tagged with this topic.

Which of the following is correct?

Hardy-Weinberg equilibrium remains stable only when no evolutionary forces are acting on a population. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Evolution, Topic: Theories, Hardy-Weinberg principle and evidences.

Which of the following statements is correct?

Mutation introduces new genetic variations, which can contribute to evolutionary change. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Zoology section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Zoology portion (Latest NCERT Textbooks for Academic Session 2026-27 - Rationalized Edition for Class XI and XII), Topic: Structural organization, physiology, human health and related concepts as per latest syllabus.