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Which option best identifies the exact concept boundary for The development of understanding of genetics and evolution, Resistant bacteria: students must explain that resistant strains survive antibiotic treatment and reproduce.
- A.Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Resistant bacteria because students must explain that resistant strains survive antibiotic treatment and reproduce.
- B.Scale confusion: Calling a gene a whole chromosome. This would blur DNA vs genes instead of testing Resistant bacteria.
- C.Process confusion: Explaining protein coding without naming the gene as the relevant section of DNA. This misses the objective focus on explain that resistant strains survive antibiotic treatment and reproduce.
- D.Evidence confusion: It moves into a neighbouring Unit 4.6 idea rather than The development of understanding of genetics and evolution / Resistant bacteria.
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