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3.1 Reproduction and meiosis

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Question 22
F

A diploid cell containing 40 chromosomes produces gametes by meiosis. One of these gametes fuses with a normal gamete from the same species.

Which sequence gives the chromosome numbers in the starting cell, gamete and zygote?

[1]
A

40, 10, 20

B

40, 40, 80

C

40, 20, 20

D

40, 20, 40

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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