Which of the Following Hypothetical Viruses Would Likely Show a "Cactus-Shaped

question 15

Multiple Choice

Which of the following hypothetical viruses would likely show a "cactus-shaped" population phylogeny?

• A)A mutualistic virus that is vertically transmitted
• B)A highly virulent virus, like Ebola, that kills its host before the build-up of any immunity
• C)A highly virulent virus that results in life-long immunity and that can only infect naïve individuals (e.g., young children) that have never encountered any of the virus's strains
• D)A virus that can reinfect previously infected hosts via escape mutants

---

Definitions:

Genetic Inheritance

The process by which genetic information is passed on from parents to their offspring, determining traits.

Genetic Coefficient

A measure that quantifies the contribution of genetic differences to differences in a trait among individuals.

Evolutionary Psychology

The study of how evolutionary theory explains the structure and function of the human mind.

Extraversion

A personality trait characterized by sociability, talkativeness, assertiveness, and high levels of emotional expressiveness.