Mutations

question 59

Multiple Choice

Mutations

• A) occur in proteins.
• B) are alterations in an organism's DNA.
• C) are not caused by chemicals.
• D) usually improve the function of the organism.
• E) are not passed on from one generation to the next.

---

Definitions:

Chromosome

A long string of DNA found in cells, containing many genes, and responsible for hereditary characteristics.

Chemical Reactions

Processes that involve the rearrangement of molecular or ionic structure of substances, resulting in the creation of one or more new substances.

Cross-Sectional Design

A research methodology that analyzes data collected from a population, or a representative subset, at one specific point in time.

Habituation

The process by which an individual becomes accustomed to a stimulus or environment, leading to a decrease in response over time.