Question detail
Which option gives the correct cause-and-effect relationship 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. Correct cause and effect: DNA is the molecule; a gene is a functional section of that molecule. 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. Reversed cause: Treating DNA as if it always means one gene. This would blur DNA vs genes instead of testing Genetic inheritance.
- C. Missing link: Calling a gene a whole chromosome. 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. Different process: It moves into a neighbouring Unit 4.6 idea rather than Reproduction / Genetic inheritance.
Answer
The correct option is Correct cause and effect: DNA is the molecule; a gene is a functional section of that molecule. 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 Correct cause and effect: DNA is the molecule; a gene is a functional section of that molecule. 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.. Correct cause and effect: DNA is the molecule; a gene is a functional section of that molecule. 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 is the molecule; a gene is a functional section of that molecule. 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 treating dna as if it always means one gene., calling a gene a whole chromosome., or drift away from when asking about dna, test molecular structure, base sequence, nucleotides, or genetic information storage..
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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