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Learning objective

Explain that after fertilisation the new cell divides by mitosis and embryo cells differentiate during development.

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Reproduction

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Meiosis

Aqa Gcse BiologyInheritance, variation and evolution

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Quick explanation

Explain that after fertilisation the new cell divides by mitosis and embryo cells differentiate during development

  • This point belongs to Reproduction, especially Meiosis.
  • You need to be able to explain that after fertilisation the new cell divides by mitosis and embryo cells differentiate during development.
  • The key ideas to know are fertilisation, mitosis, and embryo.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

fertilisationmitosisembryo

Why it matters

This objective helps connect Meiosis to exam-style questions, flashcards, and revision notes for Reproduction.

Quick student answer

How do you explain after fertilisation the new cell divides by mitosis and embryo cells differentiate during development?

Direct answer

In Biology, this page helps you answer questions about after fertilisation the new cell divides by mitosis and embryo cells differentiate during development within Reproduction. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are fertilisation and mitosis.

Key terms

  • fertilisation: The process where male and female gametes fuse to form a zygote, restoring the full number of chromosomes.
  • mitosis: A type of cell division that results in two genetically identical daughter cells, crucial for growth and development after fertilisation.

Common trap

Misunderstanding the role of mitosis after fertilisation: Explain that fertilisation is the fusion of two haploid gametes to create a diploid zygote. The zygote then undergoes a series of mitotic divisions (cleavage) to increase cell number while maintaining the chromosome number, and these cells subsequently differentiate into the various tissues of the developing embryo.

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