Question detail
Which option best matches the approved learning objective for Genetic inheritance (1)?
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. It means students should be able to explain that a dominant allele is expressed if one copy is present.
- B. It means allele is never assessed in Reproduction.
- C. It means learners only need to memorise the topic title for Genetic inheritance.
- D. It means students should give the opposite of the approved learning objective.
Answer
The correct answer is It means students should be able to explain that a dominant allele is expressed if one copy is present..
Explanation
The correct option is It means students should be able to explain that a dominant allele is expressed if one copy is present. because it directly reflects the approved learning objective: Explain that a dominant allele is expressed if one copy is present..
Common mistake
Misinterpreting Dominance
Students often think a dominant allele must be present in both copies to be expressed, or that a recessive allele can override a dominant one if present in one copy.
Clarify that a dominant allele is expressed whenever it is present in at least one copy of a gene pair; the presence of a single dominant allele is sufficient for the dominant phenotype, regardless of the other allele’s type.
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