Explain that a dominant allele is expressed if one copy is present.

Explain that a dominant allele is expressed if one copy is present.. Within Reproduction, this learning objective sits inside Genetic inheritance for AQA Biology 8461. Focus on using ideas such as allele, dominant accurately in your explanation. A strong response should define the core idea, describe the relevant biological process, and connect it back to the question wording instead of giving a vague definition. When revising, students should aim to explain the science clearly, include precise biological vocabulary, and show how the process or structure links to the wider topic rather than listing isolated facts.