Learning objective

Explain that while most body cells contain the same genes, many genes are not expressed in a specific cell because it only produces the proteins it requires.

Read the explanation, check the common trap, then practise with flashcards and questions.

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Exam focus

Read the explanation.
Check key terms.
Practise with linked questions.

Cambridge IGCSE BiologyInheritanceSupplement content

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Quick explanation

Explain that while most body cells contain the same genes, many genes are not expressed in a specific cell because it only produces the proteins it requires

This point belongs to Chromosomes, genes and proteins, especially Chromosomes, genes and proteins outcomes.
You need to be able to explain that while most body cells contain the same genes, many genes are not expressed in a specific cell because it only produces the proteins it requires.
The key ideas to know are Explain.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Explain

Why it matters

This objective helps connect Chromosomes, genes and proteins outcomes to exam-style questions, flashcards, and revision notes for Chromosomes, genes and proteins.

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