Question detail
Which option avoids the common misconception in this objective for Reproduction, Genetic inheritance: students must explain the terms gamete, chromosome and gene.
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. Misconception avoided: A DNA base sequence is the storage format; a gene is the named instruction unit. This matches Genetic inheritance because students must explain the terms gamete, chromosome and gene.
- 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.
- C. Partial misconception: Treating DNA as if it always means one gene. This misses the objective focus on explain the terms gamete, chromosome and gene.
- 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 explain the terms gamete, chromosome and gene.. 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 explain the terms gamete, chromosome and gene.. Misconception avoided: A DNA base sequence is the storage format; a gene is the named instruction unit. This matches Genetic inheritance because students must explain the terms gamete, chromosome and gene. is correct because A DNA base sequence is the storage format; a gene is the named instruction unit. The learning objective says students must explain the terms gamete, chromosome and gene, 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
Confusing gamete with chromosome
Students often say a gamete is the same as a chromosome, or that a chromosome is a gamete, mixing up the two terms.
Clarify that a gamete is a reproductive cell (sperm or egg) that contains a complete set of chromosomes, while a chromosome is a thread‑like structure made of DNA and protein that carries genes. A gamete contains many chromosomes, not just one.
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