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4.3 Selective breeding and genetic modification

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Question 34
F

A maize plant contains a gene from Bacillus thuringiensis.

What is the intended effect of this modification?

[1]
A

The maize produces a toxin that kills a particular insect pest.

B

The maize produces an insecticide that kills competing weed plants.

C

The maize produces a toxin that protects against sprayed herbicide.

D

The maize produces an antibody that kills a particular insect pest.

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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