Some of Your DNA May Not Code for Any Protein

question 59

Multiple Choice

Some of your DNA may not code for any protein and has no known function in gene regulation; it is sometimes referred to as noncoding DNA. How do nucleotide sequences of "noncoding DNA" evolve?

• A) They evolve through natural selection.
• B) They evolve through genetic drift and other chance processes.
• C) They evolve to be more useful by taking on new functions.
• D) They evolve by gradually being eliminated from the gene pool.

---

Definitions:

Medical Benefits

Health care services and products provided to individuals, usually through insurance plans, to cover or offset health care costs.

Consolidated Omnibus Budget Reconciliation Act

A federal law in the United States that provides for continued health insurance coverage for individuals after employment termination.

Employee Income Security Act

A federal law designed to protect employees' retirement incomes and provide regulations for health and pension plans in the private industry.

Medical Benefits

The health-related services and coverage provided by insurance policies or social welfare programs.