DNA Typing Is Used to Compare Evidence DNA (E) Left

question 67

Multiple Choice

DNA typing is used to compare evidence DNA (E) left at a crime scene to two suspects (S1 and S2) . Suspect 1 is excluded by the evidence, but suspect 2 remains included. What is the frequency of suspect 2's genotype if the allelic frequencies in the population are f(A₁) = 0.1, f(A₂) = 0.2, and f(A₃) = 0.7, and the population is at Hardy-Weinberg equilibrium?

• A) 0.01
• B) 0.02
• C) 0.04
• D) 0.28
• E) 0.49

---

Definitions:

Self-Serving Bias

A readiness to perceive oneself favorably.

Defensive Self-Esteem

This refers to a form of self-esteem that is fragile and highly reactive to criticism, often involving a defensive or hostile attitude as a protective mechanism.

Narcissism

Excessive self-love or vanity; self-admiration that is characterized by a lack of empathy for others.

Oral Stage

A stage of psychosexual development proposed by Freud, characterized by pleasure centers on the mouth.