Question detail
Which option best identifies the exact concept boundary for Reproduction, Genetic inheritance: students must complete Punnett square diagrams and extract information from genetic crosses and family trees.
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 complete Punnett square diagrams and extract information from genetic crosses and family trees.
- 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 complete Punnett square diagrams and extract information from genetic crosses and family trees.
- 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 complete Punnett square diagrams and extract information from genetic crosses and family trees.. 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 complete Punnett square diagrams and extract information from genetic crosses and family trees.. Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Genetic inheritance because students must complete Punnett square diagrams and extract information from genetic crosses and family trees. is correct because DNA can contain many genes; a gene has a specific coding role. The learning objective says students must complete Punnett square diagrams and extract information from genetic crosses and family trees, 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
Misinterpreting Punnett Squares
Students often misplace the alleles in the Punnett square, leading to incorrect predictions of offspring genotypes.
Carefully label the alleles from each parent along the top and side of the Punnett square, ensuring they are placed correctly before filling in the squares.
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