Which Statement Is NOT a Way Scientists Used Mitochondrial DNA

question 89

Multiple Choice

Which statement is NOT a way scientists used mitochondrial DNA to determine where humans first evolved and how they spread?

• A) Scientists sampled mtDNA from individuals currently living in many different geographic regions around the world.
• B) Scientists constructed an evolutionary tree based on paternal mtDNA to trace human ancestry back to a single female.
• C) Scientists used the relatively regular rate of mtDNA mutations to determine how long it had been since groups diverged from one another.
• D) None of these describe how scientists used mitochondrial DNA to study human evolution.
• E) All of these are methods that scientists use to study human evolution.

---

Definitions:

Taxable Income (TI)

This term refers to the gross income of an individual or corporation, less any allowable tax deductions or exemptions, which is subject to taxation by governmental authorities.

Adjusted Gross Income (AGI)

A measure of income calculated from your gross income and used to determine how much of your income is taxable after certain deductions are applied.

Personal and Dependency Exemptions

Tax deductions previously allowed for the taxpayer, their spouse, and eligible dependents, though suspended for federal taxes from 2018 through 2025.

Standard Deduction

A fixed dollar amount that reduces the income on which you are taxed, available to all taxpayers who do not choose to itemize their deductions.