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Cambridge IGCSE Biology practice

Paper 3 structured question: Sexual reproduction

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Attempt questionSexual reproduction revisionRevise the key idea

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Sexual reproduction

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Paper 3Theory (Core)2 marks

Offspring produced by sexual reproduction are genetically distinct.

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Genetic Variation

Sexual reproduction results in offspring that are genetically different from each other because of the combination of genetic material from two parents.

  1. a

    State why offspring from sexual reproduction are genetically distinct.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Sexual reproduction

Paper 3Theory (Core)2 marks

Description

Sexual Reproduction

In sexual reproduction, two gametes merge, and their nuclei combine to form a zygote. This process results in offspring that are genetically different from each other.

  1. a

    Describe what happens when two gamete nuclei merge during sexual reproduction.

    Aim for approximately 2 distinct marking points.

    [2]