MSCE Biology for Form 4: Master Key Concepts

 

Biotechnology involves applying biological discoveries and genetic engineering techniques in various fields such as industries, medicine, and agriculture. It plays a crucial role in producing products like insulin, growth hormones, and hybrid crops.

Plant and Animal Breeding

Plants:

  • Hybrid Varieties: Creation of new plant varieties through hybridization.
  • Drought-Resistant Crops: Development of crops that can withstand dry conditions.
  • High-Yielding Crops: Breeding plants to increase their productivity.
  • Disease and Pest-Resistant Crops: Engineering crops to resist diseases and pests.

Breeding Methods:

  • Inbreeding: Crossing plants within the same family to produce purelines.
  • Outbreeding: Crossbreeding different plant varieties to enhance traits.

Animals:

  • Inbreeding: Mating of animals within the same lineage to pass on desirable traits.
  • Outbreeding: Hybridization involving mating of exotic breeds with indigenous ones to improve traits such as milk production, meat quality, and resistance to environmental stresses.
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