Question detail
Which option best identifies the exact concept boundary for Reproduction, Advantages and disadvantages of sexual and asexual reproduction (biology only): students must explain that humans can speed up natural selection through selective breeding to increase food production.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Reproduction
Question
- A. Definition boundary: Mitosis produces identical cells; meiosis produces genetically different gametes. This matches Advantages and disadvantages of sexual and asexual reproduction (biology only) because students must explain that humans can speed up natural selection through selective breeding to increase food production.
- B. Scale confusion: Claiming mitosis produces gametes. This would blur Mitosis vs meiosis instead of testing Advantages and disadvantages of sexual and asexual reproduction (biology only).
- C. Process confusion: Forgetting chromosome number is maintained in mitosis but halved in meiosis. This misses the objective focus on explain that humans can speed up natural selection through selective breeding to increase food production.
- D. Evidence confusion: It moves into a neighbouring Unit 4.6 idea rather than Reproduction / Advantages and disadvantages of sexual and asexual reproduction (biology only).
Answer
The correct option is Definition boundary: Mitosis produces identical cells; meiosis produces genetically different gametes. This matches Advantages and disadvantages of sexual and asexual reproduction (biology only) because students must explain that humans can speed up natural selection through selective breeding to increase food production.. It is the only option that keeps Mitosis vs meiosis separate and answers the approved learning objective in Advantages and disadvantages of sexual and asexual reproduction (biology only).
Explanation
The correct option is Definition boundary: Mitosis produces identical cells; meiosis produces genetically different gametes. This matches Advantages and disadvantages of sexual and asexual reproduction (biology only) because students must explain that humans can speed up natural selection through selective breeding to increase food production.. Definition boundary: Mitosis produces identical cells; meiosis produces genetically different gametes. This matches Advantages and disadvantages of sexual and asexual reproduction (biology only) because students must explain that humans can speed up natural selection through selective breeding to increase food production. is correct because Mitosis produces identical cells; meiosis produces genetically different gametes. The learning objective says students must explain that humans can speed up natural selection through selective breeding to increase food production, so the answer must stay inside Advantages and disadvantages of sexual and asexual reproduction (biology only). The alternative options are wrong because they either claiming mitosis produces gametes., forgetting chromosome number is maintained in mitosis but halved in meiosis., or drift away from meiosis questions must focus on gametes, halved chromosome number, sexual reproduction, or variation..
Common mistake
Confusing natural selection with selective breeding
Students often think that natural selection itself can be directly accelerated by humans, rather than recognising that selective breeding is a human‑led process that mimics natural selection to achieve desired traits.
Explain that natural selection is an unguided process acting on variation in a population, while selective breeding is a deliberate, human‑controlled method of choosing parents with favourable traits to produce offspring with those traits more quickly, thereby speeding up the effect of natural selection on food production.
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