Question detail
Question 2: Explain explain that sexual reproduction produces variation in offspring in Advantages and disadvantages of sexual and asexual reproduction (biology only).
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Reproduction
Question
Question 2: Explain explain that sexual reproduction produces variation in offspring in Advantages and disadvantages of sexual and asexual reproduction (biology only).
Answer
A strong answer should explain explain that sexual reproduction produces variation in offspring using the context of Advantages and disadvantages of sexual and asexual reproduction (biology only).
Explanation
A strong answer should explain explain that sexual reproduction produces variation in offspring using the context of Advantages and disadvantages of sexual and asexual reproduction (biology only). This supports the approved learning objective: Explain that sexual reproduction produces variation in offspring. It belongs to Advantages and disadvantages of sexual and asexual reproduction (biology only) within Reproduction, so the explanation must stay inside that curriculum boundary. Alternative answers are weaker if they move away from Advantages and disadvantages of sexual and asexual reproduction (biology only) or the named objective. This wording is unique to question variant 2 for explain-that-sexual-reproduction-produces-variation-in-offspring-exam-style-2.
Common mistake
Mixing up variation with mutation
Students often think that the variation produced by sexual reproduction is the same as a mutation, and therefore describe it as a change in the DNA sequence rather than a combination of existing alleles.
Explain that variation in sexual reproduction comes from the random combination of gametes (different alleles) during fertilisation, not from new changes in the DNA sequence. Use the example of a red‑green colour‑blind parent and a normal parent producing offspring with different combinations of alleles, not new mutations.
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