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Learning objective

Indicate that two homozygous individuals that mate will produce offspring that are pure-breeding.

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

Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE BiologyInheritanceCore content

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Quick explanation

Indicate that two homozygous individuals that mate will produce offspring that are pure-breeding

  • This point belongs to Monohybrid inheritance, especially Monohybrid inheritance outcomes.
  • You need to be able to indicate that two homozygous individuals that mate will produce offspring that are pure-breeding.
  • The key ideas to know are State.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

State

Why it matters

This objective helps connect Monohybrid inheritance outcomes to exam-style questions, flashcards, and revision notes for Monohybrid inheritance.

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Paper 3 structured question: Monohybrid inheritance

Paper 3Theory (Core)1 marks

Description

Mating of Homozygous Individuals

Two homozygous pea plants, one with yellow seeds (YY) and one with green seeds (yy), are crossed. Yellow seed color (Y) is dominant over green (y).

  1. a

    State the genotype of the offspring produced by this cross.

    Aim for approximately 1 distinct marking point.

    [1]
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