Question detail
Which option best identifies the exact concept boundary for Reproduction, Genetic inheritance: students must use examples such as fur colour in mice and red-green colour blindness in humans to explain single-gene characteristics.
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. Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Genetic inheritance because students must use examples such as fur colour in mice and red-green colour blindness in humans to explain single-gene characteristics.
- 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 use examples such as fur colour in mice and red-green colour blindness in humans to explain single-gene characteristics.
- D. Evidence confusion: It moves into a neighbouring Unit 4.6 idea rather than Reproduction / Genetic inheritance.
Answer
The correct option is Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Genetic inheritance because students must use examples such as fur colour in mice and red-green colour blindness in humans to explain single-gene characteristics.. It is the only option that keeps DNA vs genes separate and answers the approved learning objective in Genetic inheritance.
Explanation
The correct option is Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Genetic inheritance because students must use examples such as fur colour in mice and red-green colour blindness in humans to explain single-gene characteristics.. Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Genetic inheritance because students must use examples such as fur colour in mice and red-green colour blindness in humans to explain single-gene characteristics. is correct because DNA can contain many genes; a gene has a specific coding role. The learning objective says students must use examples such as fur colour in mice and red-green colour blindness in humans to explain single-gene characteristics, so the answer must stay inside Genetic inheritance. 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
Misunderstanding Single-Gene Characteristics
Students often confuse single-gene characteristics with traits influenced by multiple genes, leading to incorrect explanations.
Focus on specific examples like fur colour in mice or red-green colour blindness in humans, and clarify how these traits are determined by a single gene.
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