Genetically Modified Plants 🌿
- This involves cutting a plasmid from a bacterium such as Agrobacterium and joining the desired gene to the plasmid using ligase enzymes.
- This plasmid is then introduced to some leaf discs from the plant to be modified using a liquid solution.
- They are then cultivated on a nutrient medium (micropropagation).
- The plantlets will then grow into whole plants, containing the foreign gene.
👍 Advantages of Modifying Plants:
- Increased resistance to a range of pests and pathogens
- Increased heat and drought tolerance
- Increased salt tolerance
- A better balance of nutrients
- Increases yield and food production to satisfy the growing demand.
👎 Disadvantages of Modifying Plants:
- Transgenic products may be harmful to some – new proteins may cause allergies.
- The transgenes may spread uncontrollably into other species.
- It may cause the emergence of pest, insect, or microbial resistance due to natural variation.
- A new gene may disrupt normal gene function and cause cancer.
- The gene may be taken up by non-target organisms and grant them resistance to things.
Genetically Modified Animals 🐾
👎Disadvantages of Genetic Modification:
- could alter food chains/webs
- Lack of control on gene transfer
- GM crops could take over ecosystems
- Might carry pathogens or cause harmful effects on health
That's the end of the topic!
Drafted by Joey (Biology)