Question detail
Which option avoids the common misconception in this objective for Reproduction, DNA structure (biology only): students must interpret diagrams of DNA structure without needing to reproduce them.
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: A DNA base sequence is the storage format; a gene is the named instruction unit. This matches DNA structure (biology only) because students must interpret diagrams of DNA structure without needing to reproduce them.
- B. Common misconception: Explaining protein coding without naming the gene as the relevant section of DNA. This would blur DNA vs genes instead of testing DNA structure (biology only).
- C. Partial misconception: Treating DNA as if it always means one gene. This misses the objective focus on interpret diagrams of DNA structure without needing to reproduce them.
- D. Terminology mix-up: It moves into a neighbouring Unit 4.6 idea rather than Reproduction / DNA structure (biology only).
Answer
The correct option is Misconception avoided: A DNA base sequence is the storage format; a gene is the named instruction unit. This matches DNA structure (biology only) because students must interpret diagrams of DNA structure without needing to reproduce them.. It is the only option that keeps DNA vs genes separate and answers the approved learning objective in DNA structure (biology only).
Explanation
The correct option is Misconception avoided: A DNA base sequence is the storage format; a gene is the named instruction unit. This matches DNA structure (biology only) because students must interpret diagrams of DNA structure without needing to reproduce them.. Misconception avoided: A DNA base sequence is the storage format; a gene is the named instruction unit. This matches DNA structure (biology only) because students must interpret diagrams of DNA structure without needing to reproduce them. is correct because A DNA base sequence is the storage format; a gene is the named instruction unit. The learning objective says students must interpret diagrams of DNA structure without needing to reproduce them, so the answer must stay inside DNA structure (biology only). The alternative options are wrong because they either explaining protein coding without naming the gene as the relevant section of dna., treating dna as if it always means one gene., or drift away from do not use dna, gene, and chromosome as interchangeable answers..
Common mistake
Misinterpreting DNA Diagrams
Students often struggle to accurately interpret the components of DNA diagrams, confusing the roles of bases, sugars, and phosphates.
Focus on understanding the structure of DNA, specifically how the sugar and phosphate backbone supports the base pairs, and practice interpreting various diagrams to reinforce this knowledge.
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