Question detail
Which option best identifies the exact concept boundary for Variation and evolution, Selective breeding: students must describe selective breeding as humans breeding plants and animals for particular genetic characteristics.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Variation and evolution
Question
- A. Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Selective breeding because students must describe selective breeding as humans breeding plants and animals for particular genetic characteristics.
- B. Scale confusion: Calling a gene a whole chromosome. This would blur DNA vs genes instead of testing Selective breeding.
- C. Process confusion: Explaining protein coding without naming the gene as the relevant section of DNA. This misses the objective focus on describe selective breeding as humans breeding plants and animals for particular genetic characteristics.
- D. Evidence confusion: It moves into a neighbouring Unit 4.6 idea rather than Variation and evolution / Selective breeding.
Answer
The correct option is Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Selective breeding because students must describe selective breeding as humans breeding plants and animals for particular genetic characteristics.. It is the only option that keeps DNA vs genes separate and answers the approved learning objective in Selective breeding.
Explanation
The correct option is Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Selective breeding because students must describe selective breeding as humans breeding plants and animals for particular genetic characteristics.. Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Selective breeding because students must describe selective breeding as humans breeding plants and animals for particular genetic characteristics. is correct because DNA can contain many genes; a gene has a specific coding role. The learning objective says students must describe selective breeding as humans breeding plants and animals for particular genetic characteristics, so the answer must stay inside Selective breeding. The alternative options are wrong because they either calling a gene a whole chromosome., explaining protein coding without naming the gene as the relevant section of dna., or drift away from when asking about genes, test a section of dna, protein coding, alleles, or inherited characteristics..
Common mistake
Selective breeding common mistake 1
Giving a vague answer instead of directly addressing: Describe selective breeding as humans breeding plants and animals for particular genetic characteristics..
Answer by clearly explaining how to describe selective breeding as humans breeding plants and animals for particular genetic characteristics..
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