Question detail
Which option correctly contrasts the named ideas for Reproduction, Genetic inheritance: students must explain that most characteristics result from multiple genes interacting rather than single-gene inheritance.
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. Correct contrast: DNA can contain many genes; a gene has a specific coding role. This matches Genetic inheritance because students must explain that most characteristics result from multiple genes interacting rather than single-gene inheritance.
- B. Reversed contrast: Calling a gene a whole chromosome. This would blur DNA vs genes instead of testing Genetic inheritance.
- C. Over-broad contrast: Explaining protein coding without naming the gene as the relevant section of DNA. This misses the objective focus on explain that most characteristics result from multiple genes interacting rather than single-gene inheritance.
- D. Unrelated contrast: It moves into a neighbouring Unit 4.6 idea rather than Reproduction / Genetic inheritance.
Answer
The correct option is Correct contrast: DNA can contain many genes; a gene has a specific coding role. This matches Genetic inheritance because students must explain that most characteristics result from multiple genes interacting rather than single-gene inheritance.. 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 Correct contrast: DNA can contain many genes; a gene has a specific coding role. This matches Genetic inheritance because students must explain that most characteristics result from multiple genes interacting rather than single-gene inheritance.. Correct contrast: DNA can contain many genes; a gene has a specific coding role. This matches Genetic inheritance because students must explain that most characteristics result from multiple genes interacting rather than single-gene inheritance. is correct because DNA can contain many genes; a gene has a specific coding role. The learning objective says students must explain that most characteristics result from multiple genes interacting rather than single-gene inheritance, 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 Multiple Gene Interaction
Students often believe that characteristics are determined by a single gene, failing to recognize the role of multiple genes interacting.
Emphasize the concept of polygenic inheritance, where multiple genes contribute to a single trait, and provide examples to illustrate how these interactions can influence characteristics.
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