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Transcript

A section of DNA that synthesizes a protein that
is needed for traits

Example: Gene Eye Color
Protein Eye Color

Process of using genes from DNA to synthesize
proteins to express/show traits/characteristics
on an organism.

Example:
vs

Examples
 Height Genes
 Fur Color Genes



Control/Regulation of what genes need to be
expressed on the organism.
Genes are expressed or turned on when the
organism needs them. They are turned off when
they are not needed.
Operons:
 Enzymes that regulate the expression of genes
 Example:
▪ Lac operon: regulates the production of the enzyme that digest
lactose


Environmental factors can affect the regulation
and expression on organisms.
Examples:
 Temperature/weather
 Number of females and males in the population
 Products with carcinogens
 Radiation (UV Light)
Artic Fox
Temperature
Winter

Summer