Question detail

Which option avoids the common misconception in this objective 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

  1. A. Misconception avoided: A DNA base sequence is the storage format; a gene is the named instruction unit. 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.
  2. B. Common misconception: Explaining protein coding without naming the gene as the relevant section of DNA. This would blur DNA vs genes instead of testing Genetic inheritance.
  3. C. Partial misconception: Treating DNA as if it always means one gene. 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.
  4. D. Terminology mix-up: It moves into a neighbouring Unit 4.6 idea rather than Reproduction / Genetic inheritance.

Answer

The correct option is Misconception avoided: A DNA base sequence is the storage format; a gene is the named instruction unit. 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 Misconception avoided: A DNA base sequence is the storage format; a gene is the named instruction unit. 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.. Misconception avoided: A DNA base sequence is the storage format; a gene is the named instruction unit. 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 A DNA base sequence is the storage format; a gene is the named instruction unit. 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 explaining protein coding without naming the gene as the relevant section of dna., treating dna as if it always means one gene., or drift away from do not use dna, gene, and chromosome as interchangeable answers..

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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