Which conclusion best fits Weismann's mouse experiment?
Answer and explanation
Correct answer: Changes caused by cutting body parts do not automatically pass to offspring.
Weismann repeatedly cut the tails of mice across generations, yet their offspring continued to develop normal tails. The governing principle is that a bodily change is not automatically inherited unless it alters genetic information in reproductive cells. Thus option A is correct. The experiment did not show that injuries are inherited, that tails lack hereditary control, or that reproductive cells are unrelated to traits.
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What is the correct answer to this question?
Changes caused by cutting body parts do not automatically pass to offspring.
Why is this the correct answer?
Weismann repeatedly cut the tails of mice across generations, yet their offspring continued to develop normal tails. The governing principle is that a bodily change is not automatically inherited unless it alters genetic information in reproductive cells. Thus option A is correct. The experiment did not show that injuries are inherited, that tails lack hereditary control, or that reproductive cells are unrelated to traits.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Heredity and Evolution.
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