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PBS Unit 4.5


Dominant trait A genetic trait is considered dominant if it is expressed in a person who has only one copy of the gene associated with the trait.
Hydrophilic Having an affinity for water.
Hydrophobic Having an aversion to water; tending to coalesce and form droplets in water.
Karyotype A display of the chromosome pairs of a cell arranged by size and shape.
Mutation A rare change in the DNA of a gene, ultimately creating genetic diversity.
Recessive trait A condition that appears only in individuals who have received two copies of the gene associated with the trait, one copy from each parent.
Polymerize To undergo a chemical reaction in which two or more small molecules combine to form larger molecules that contain repeating structural units of the original molecules.
Created by: connie king