Which misconception is refuted by the example of cutting the tails of mice?
Answer and explanation
Correct answer: Every change made to the body directly passes to offspring
Cutting a mouse’s tail changes its body but does not normally change the hereditary information in its sperm or eggs. If tailless parents continue to produce offspring with tails, the observation refutes the idea that every bodily alteration becomes an inherited trait. It supports the distinction between acquired changes and heritable genetic variation. Therefore option A states the misconception being rejected; B, C, and D are compatible with genetics.
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What is the correct answer to this question?
Every change made to the body directly passes to offspring
Why is this the correct answer?
Cutting a mouse’s tail changes its body but does not normally change the hereditary information in its sperm or eggs. If tailless parents continue to produce offspring with tails, the observation refutes the idea that every bodily alteration becomes an inherited trait. It supports the distinction between acquired changes and heritable genetic variation. Therefore option A states the misconception being rejected; B, C, and D are compatible with genetics.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Heredity and Evolution. Topic: Inheritance.
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