Question detail
Which option gives the correct cause-and-effect relationship for Reproduction, Sexual and asexual reproduction: students must explain that sexual reproduction mixes genetic information and produces variation in offspring.
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 Sexual and asexual reproduction because students must explain that sexual reproduction mixes genetic information and produces variation in offspring.
- B. Reversed cause: Treating DNA as if it always means one gene. This would blur DNA vs genes instead of testing Sexual and asexual reproduction.
- C. Missing link: Calling a gene a whole chromosome. This misses the objective focus on explain that sexual reproduction mixes genetic information and produces variation in offspring.
- D. Different process: It moves into a neighbouring Unit 4.6 idea rather than Reproduction / Sexual and asexual reproduction.
Answer
The correct option is Correct cause and effect: DNA is the molecule; a gene is a functional section of that molecule. This matches Sexual and asexual reproduction because students must explain that sexual reproduction mixes genetic information and produces variation in offspring.. It is the only option that keeps DNA vs genes separate and answers the approved learning objective in Sexual and asexual reproduction.
Explanation
The correct option is Correct cause and effect: DNA is the molecule; a gene is a functional section of that molecule. This matches Sexual and asexual reproduction because students must explain that sexual reproduction mixes genetic information and produces variation in offspring.. Correct cause and effect: DNA is the molecule; a gene is a functional section of that molecule. This matches Sexual and asexual reproduction because students must explain that sexual reproduction mixes genetic information and produces variation in offspring. is correct because DNA is the molecule; a gene is a functional section of that molecule. The learning objective says students must explain that sexual reproduction mixes genetic information and produces variation in offspring, so the answer must stay inside Sexual and asexual reproduction. 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 Genetic Mixing
Students often think that sexual reproduction guarantees variation in every offspring, rather than understanding that it mixes genetic information which can lead to variation.
Emphasize that while sexual reproduction mixes genetic information, the actual variation in offspring depends on the combination of alleles inherited from both parents.
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