Question detail
Which option avoids the common misconception in this objective for Reproduction, Meiosis: students must explain that after fertilisation the new cell divides by mitosis and embryo cells differentiate during development.
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. Misconception avoided: Mitosis supports growth and repair; meiosis supports sexual reproduction. This matches Meiosis because students must explain that after fertilisation the new cell divides by mitosis and embryo cells differentiate during development.
- B. Common misconception: Forgetting chromosome number is maintained in mitosis but halved in meiosis. This would blur Mitosis vs meiosis instead of testing Meiosis.
- C. Partial misconception: Claiming meiosis is used for body growth. This misses the objective focus on explain that after fertilisation the new cell divides by mitosis and embryo cells differentiate during development.
- D. Terminology mix-up: It moves into a neighbouring Unit 4.6 idea rather than Reproduction / Meiosis.
Answer
The correct option is Misconception avoided: Mitosis supports growth and repair; meiosis supports sexual reproduction. This matches Meiosis because students must explain that after fertilisation the new cell divides by mitosis and embryo cells differentiate during development.. It is the only option that keeps Mitosis vs meiosis separate and answers the approved learning objective in Meiosis.
Explanation
The correct option is Misconception avoided: Mitosis supports growth and repair; meiosis supports sexual reproduction. This matches Meiosis because students must explain that after fertilisation the new cell divides by mitosis and embryo cells differentiate during development.. Misconception avoided: Mitosis supports growth and repair; meiosis supports sexual reproduction. This matches Meiosis because students must explain that after fertilisation the new cell divides by mitosis and embryo cells differentiate during development. is correct because Mitosis supports growth and repair; meiosis supports sexual reproduction. The learning objective says students must explain that after fertilisation the new cell divides by mitosis and embryo cells differentiate during development, so the answer must stay inside Meiosis. The alternative options are wrong because they either forgetting chromosome number is maintained in mitosis but halved in meiosis., claiming meiosis is used for body growth., or drift away from distractors should contrast purpose, product, and chromosome number..
Common mistake
Misunderstanding the role of mitosis after fertilisation
Students often think that fertilisation itself is a mitotic division, or that the zygote immediately undergoes mitosis to produce a single cell, rather than recognising that fertilisation restores the diploid chromosome number and the resulting zygote then divides by mitosis to form the embryo.
Explain that fertilisation is the fusion of two haploid gametes to create a diploid zygote. The zygote then undergoes a series of mitotic divisions (cleavage) to increase cell number while maintaining the chromosome number, and these cells subsequently differentiate into the various tissues of the developing embryo.
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