Learning objective
Explain that each gene codes for a sequence of amino acids to make a specific protein.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Reproduction
Subtopic
DNA and the genome
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Quick explanation
Explain that each gene codes for a sequence of amino acids to make a specific protein
- This point belongs to Reproduction, especially DNA and the genome.
- You need to be able to explain that each gene codes for a sequence of amino acids to make a specific protein.
- The key ideas to know are gene, protein, and amino acids.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect DNA and the genome to exam-style questions, flashcards, and revision notes for Reproduction.
Quick student answer
How do you explain each gene codes for a sequence of amino acids to make a specific protein?
Direct answer
In Biology, this page helps you answer questions about each gene codes for a sequence of amino acids to make a specific protein within Reproduction. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are gene and amino acids.
Key terms
- gene: In DNA and the genome, gene means the specific Unit 4.6 idea used to answer this objective: students must explain that each gene codes for a sequence of amino acids to make a specific protein. Keep the term curriculum-specific by applying this boundary: DNA is the molecule; a gene is a functional section of that molecule. Do not use gene as a vague inheritance word; link it to Reproduction and explain the exact role it plays in AQA GCSE Biology.
- amino acids: The building blocks of proteins, which are linked together in a specific sequence as determined by the gene.
Common trap
Gene‑Protein Link Misconception: Explain that a gene is a DNA segment that is first transcribed into mRNA, which is then translated by ribosomes into a polypeptide chain; the codon sequence in the mRNA determines the order of amino acids in the final protein.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Describe sexual reproduction as the joining or fusion of male and female gametes.
Sexual and asexual reproduction
- Identify sperm and egg cells as animal gametes and pollen and egg cells as flowering plant gametes.
Sexual and asexual reproduction
- Explain that sexual reproduction mixes genetic information and produces variation in offspring.
Sexual and asexual reproduction
- State that gamete formation in sexual reproduction involves meiosis.
Sexual and asexual reproduction
- Describe asexual reproduction as reproduction involving one parent, no gamete fusion and no mixing of genetic information.
Sexual and asexual reproduction