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Agriscience Applications. Biotechnology. The Beginning…. In your notebook write a definition for biotechnology. Bio. Technology. The Beginning…. Bio. Life or living. Application of science to an industrial or commercial objective. Technology. History.

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the beginning
The Beginning…
  • In your notebook write a definition for biotechnology



the beginning1
The Beginning…


Life or living

Application of science to an industrial or commercial objective


  • Biotechnology has been around since the beginning of time
    • Yeast to make bread rise
    • Bacteria to ferment sauerkraut
    • Bacteria to produce cheese, yogurt
    • Transform grain into alcohol
  • Silage
    • Used for animal feed
    • Green grasses and grains stored in air tight containers
    • Converts sugars and starches to acids
the genetic connection
The Genetic Connection
  • Genetics
    • Biology of heredity
      • Transmission of characteristics from an organism to its offspring through genes in reproductive cells
    • Gregor Mendel
      • Experimented with garden pea plants
the genetic connection1
The Genetic Connection
  • Genes
    • Components of cells that determine individual characteristics of all living things
    • Comprised of DNA
      • The “Blueprint” of cells and their successive cells
the genetic connection4
The Genetic Connection
  • Gene Mapping
    • Matching a gene to a trait
      • Determines what gene is responsible for certain traits


    • Tendency of baldness
    • Tendency of females to have twins
    • Height of plants
application of biotechnology
Application of Biotechnology
  • DNA Matching
    • Identifying the parents of offspring
  • Genetic engineering
    • Early 1980’s
    • Modifies the genetic make-up of animals and plants
      • Movement of genetic information (genes) from one cell to another
products of genetic engineering
Products of Genetic Engineering
  • Insulin
      • Treats diabetes
  • Herbicide resistant crops
  • BST (bovine somatotrapin)
      • Increases milk production
  • Lee-minus
      • Bacteria that retards frost formation on plants
  • Convert waste to fuel
  • Explore the structure of DNA as it is related to examples of agricultural plants and animals
  • Found in all living cells
  • All DNA is similar in structure and function
    • transmitter of heredity information
  • Deoxyribonulceic acid
  • Come in pairs of strands
    • connected by bases
      • Adenine
      • Guanine
      • Cytosine
      • Thymine
  • Shape
    • double helix
dna in genetics
DNA in Genetics
  • Gene Splicing
    • Removing and inserting genes into DNA
    • Alters a given characteristic
  • Examples:
    • Alter a plants susceptibility to disease
    • Make a plant resistant to insects
    • Alter bacteria to increase meat production
gene mapping
Gene Mapping
  • The process of finding and recording the location of genes
recombinant dna
Recombinant DNA
  • Improves animal and plant performance by manipulation
    • Alter microorganisms
    • Control
      • disease
      • insects
      • weeds
      • pest
    • Less use of chemicals more biological control
      • better for the environment
  • Federal and state governments monitor use
  • Extensive testing
    • Laboratory to the greenhouse
    • Final testing is occurs outdoors prior to final approval
  • Final approval only after all phases are completed
  • Organize a discussion group with two other people.
  • Explore four benefits and concerns of biotechnology
  • Record your benefits and concerns in your notes with an explanation
  • Provide the best solution for your concerns
  • Be ready to share your work