AQA GCSE Biology Unit 1 7.2 Genetic engineering

HideShow resource information
View mindmap
  • Genetic engineering
    • Uses...
      • Finding out where genes are expressed in the body
      • crops produce a greater yield
      • disease resistant crops
      • Manufacturing insulin
    • Restrictive enzyme used to split a DNA and split the insulin from the rest of chromosome
      • Insulin gene placed into plasmid and sealed with the enzyme ligase
        • plasmid is then put into some bacteria
          • The bacteria reproduces exact copies
            • The human insulin is removed and purified
    • The same is done to a plasmid of bacteria
      • Insulin gene placed into plasmid and sealed with the enzyme ligase
        • plasmid is then put into some bacteria
          • The bacteria reproduces exact copies
            • The human insulin is removed and purified
    • vantages
      • increases genetic diversity
      • Infectious disease treated
      • Moral issues
      • animals can be 'tailor made' to show desirable characteristics
      • Prevents disease
      • We don't know the consequences
    • GM crops pros and cons
      • No insects killed
      • producers earn money when selling
      • expensive seeds
      • passed through pollination to wildlife
      • Safety of food is not yet determined
      • no evidence for the effectiveness

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Variation and reproduction resources »