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Illustration of Biotechnology
The use of yeast to make bread rise
Bacteria to produce various kinds of
cheeses and other dairy products
The Genetic Connection
Genetics is the biology of heredity
Gregor Johann Mendel discovered the effect of
genetics on plant characteristics with his
experimentation with garden peas
Heredity is the transmission of characteristics
from an organism to its offspring through genes
in reproductive cells.
The Genetic Connection
Genes are components of cells that
determine the individual characteristics of
living things.
Genes are comprised of DNA
DNA determines what the cell and its
successive cells will become
The Genetic Connection
Mapping is the matching of genes to certain
traits
Used by geneticist to determine which genes
are responsible for certain traits
Examples: tendency of baldness in humans,
height of plants at maturity, and tendency of
females to have twin offspring.