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3.1 Reproduction and meiosis

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Question 31
H

An animal produces four sperm cells when one diploid cell completes meiosis. The sperm cells all contain 9 chromosomes. Two of these sperm each fertilise a different normal egg from the same species.

Which statement correctly compares the two resulting zygotes?

[1]
A

both contain 9 chromosomes, but their genetic information may differ

B

both contain 18 chromosomes, and their genetic information must match

C

both contain 18 chromosomes, but their genetic information may differ

D

both contain 9 chromosomes, and their genetic information must match

Markscheme

3.1 Reproduction and meiosis Questions

  1. GCSE
  2. /Biology
  3. /3.1 Reproduction and meiosis

40 exam-style questions on Edexcel GCSE Biology 3.1 Reproduction and meiosis, covering 3.1.1 Advantages and disadvantages of reproduction and 3.1.2 Role of meiotic cell division. Each one has a worked solution and a mark scheme showing where the marks go.

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