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4.3 Selective breeding and genetic modification

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Question 5

A GM sunflower contains an inserted allele that increases salt tolerance. Scientists are choosing a site for a trial.

SiteRelated wild sunflower present near the siteGM sunflowers allowed to release pollen
Kyesyes
Lyesno
Mnoyes
Nnono

Which site would have the greatest risk that the inserted allele spreads beyond the trial through pollination?

[1]
A

Site L

B

Site N

C

Site K

D

Site M

Markscheme

4.3 Selective breeding and genetic modification Questions

  1. GCSE
  2. /Biology
  3. /4.3 Selective breeding and genetic modification

100 exam-style questions on Edexcel GCSE Biology 4.3 Selective breeding and genetic modification, covering 4.3.1 Selective breeding and its impact, 4.3.2 Tissue culture, 4.3.3 Genetic engineering overview, 4.3.4 Main stages of genetic engineering, 4.3.5 Advantages and disadvantages of GM organisms, 4.3.6 Agricultural solutions for a growing population, and 4.3.7 Evaluating genetic engineering and breeding. Each one has a worked solution and a mark scheme showing where the marks go.

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