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3.1 Reproduction and meiosis

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Question 7

A rabbit reproduces sexually. During fertilisation, the nucleus of a sperm cell fuses with the nucleus of an egg cell to form a zygote.

How many complete sets of chromosomes are present in the sperm cell before fertilisation and in the zygote after fertilisation?

[1]
A

one complete set in the sperm cell and two complete sets in the zygote

B

one complete set in the sperm cell and one complete set in the zygote

C

two complete sets in the sperm cell and two complete sets in the zygote

D

two complete sets in the sperm cell and one complete set in the zygote

Markscheme

3.1 Reproduction and meiosis Questions

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

92 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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