Question detail

Which option gives the correct cause-and-effect relationship 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.

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At a glance

MCQ

Type

practice

Style

Topic

Reproduction

Question

A. Correct cause and effect: DNA is the molecule; a gene is a functional section of that molecule. This matches DNA structure (biology only) because students must interpret diagrams of DNA structure without needing to reproduce them.
B. Reversed cause: Treating DNA as if it always means one gene. This would blur DNA vs genes instead of testing DNA structure (biology only).
C. Missing link: Calling a gene a whole chromosome. This misses the objective focus on interpret diagrams of DNA structure without needing to reproduce them.
D. Different process: It moves into a neighbouring Unit 4.6 idea rather than Reproduction / DNA structure (biology only).

Answer

Explanation

The correct option is Correct cause and effect: DNA is the molecule; a gene is a functional section of that molecule. This matches DNA structure (biology only) because students must interpret diagrams of DNA structure without needing to reproduce them.. Correct cause and effect: DNA is the molecule; a gene is a functional section of that molecule. This matches DNA structure (biology only) because students must interpret diagrams of DNA structure without needing to reproduce them. is correct because DNA is the molecule; a gene is a functional section of that molecule. 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 treating dna as if it always means one gene., calling a gene a whole chromosome., or drift away from when asking about dna, test molecular structure, base sequence, nucleotides, or genetic information storage..

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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