Debbie Is Age 67 and Unmarried and Her Only Sources

question 95

Multiple Choice

Debbie is age 67 and unmarried and her only sources of income are $200,000 in taxable interest and $20,000 of Social Security benefits. Debbie's adjusted gross income for the year is:

• A) $220,000.
• B) $217,000.
• C) $203,000.
• D) $200,000.
• E) None of these.

---

Definitions:

Eukaryotes

Organisms whose cells contain a nucleus and other organelles enclosed within membranes.

Prokaryotes

Single-celled organisms without a nucleus or other membrane-bound organelles, including bacteria and archaea.

Genetic Drift

A mechanism of evolution that involves random changes in the frequency of alleles within a population over time.

McDonald-Kreitman Test

A method used in molecular evolution to compare the ratio of non-synonymous to synonymous substitutions in a gene between species, assessing natural selection.