When Scientists Infected Vaccinated and Nonvaccinated Mice with Influenza, They

question 18

Essay

When scientists infected vaccinated and nonvaccinated mice with influenza, they found that after nine sequences of viral passage the hemagglutinin protein was altered in one of the groups. Which group was it, and what is the evolutionary explanation for the differences between the groups?

---

Definitions:

Variance

A measure of the dispersion representing the average of the squared differences from the mean.

Observation

An act of noting and recording something, typically used in the context of data collection in scientific studies or research.

Errors

The differences between observed values and the values predicted by a model, showcasing the discrepancies that can arise in data analysis.

Normally Distributed

Normally distributed refers to a dataset that follows a Gaussian distribution, where data tends to cluster around a central mean with a predictable spread.