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3.1 Reproduction and meiosis

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Question 10

A species of orchid has 20 chromosomes in each root cell.

SampleDescriptionChromosomes
Dnucleus inside a pollen grain10
Eegg cell inside an ovule10
Ffirst cell formed after fertilisation20

Which statement correctly describes the chromosome sets in samples D, E and F?

[1]
A

D and E are diploid, while F is haploid

B

D is haploid, while E and F are diploid

C

D and E are haploid, while F is diploid

D

D, E and F are all haploid

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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