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Which option best identifies the exact concept boundary for Reproduction, Genetic inheritance: students must construct (HT only) a genetic cross using a Punnett square and use probability to make predictions.
- A.Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Genetic inheritance because students must construct (HT only) a genetic cross using a Punnett square and use probability to make predictions.
- B.Scale confusion: Calling a gene a whole chromosome. This would blur DNA vs genes instead of testing Genetic inheritance.
- C.Process confusion: Explaining protein coding without naming the gene as the relevant section of DNA. This misses the objective focus on construct (HT only) a genetic cross using a Punnett square and use probability to make predictions.
- D.Evidence confusion: It moves into a neighbouring Unit 4.6 idea rather than Reproduction / Genetic inheritance.
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