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PBS Unit 4.5
Vocabulary
Question | Answer |
---|---|
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. |