A Lot of Your DNA Is Inherited "Junk": It Doesn't

question 14

Multiple Choice

A lot of your DNA is inherited "junk": It doesn't code for any protein and has no known function in gene regulation.How do nucleotide sequences of "junk DNA" evolve?

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

---

Definitions:

Descriptive Measure

Statistical calculations that summarize or describe the characteristics of a set of data, including measures such as mean, median, and mode.

Population

The entire pool from which a statistical sample is drawn and to which we seek to generalize our results in a study.

Microwave Ovens

Electrical appliances that use microwave radiation to heat or cook food quickly through dielectric heating.

Parameter

A numerical characteristic of a statistical population, such as mean or standard deviation, that describes an aspect of the population.