Historic:selective breeding of agricultural species
. . -"How-To" Manual, dated 5,000 B.P.
. . . -select for desirable traits
. . -hybridize wild plant species
. . . -create 'new species'
. . . -corn, wheat, etc.
Molecular:Insert a particular fragment into a DNA
. . -human enzymes inserted into bacteria
. . . -insulin into E. coli
. . . -deficient enzyme for cystic fibrosis
reverse genetics - introduce "designer" mutations
to stem cells
. . -hypothesis: correct for enzyme deficiency
. . -hypothesis: add nutritional qualities to
. . -hypothesis: add disease/pest resistance to
. . - "franken-foods"
. . - "designer babies"
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© 2004 Prof. LaFrance, Ancilla College