A Researcher Tracks the Escape Behavior of a Population of Squirrels

question 38

Multiple Choice

A researcher tracks the escape behavior of a population of squirrels on campus across two generations.When she plots the escape behavior of the offspring generation against the parental behavior,she notes that the offspring's behavior exactly matches the parental behavior.Nonetheless,the narrow-sense heritability equals zero.How can the heritability equal zero in this example?

• A)The additive genetic variance equals zero.
• B)All the escape behavior alleles are fixed in the population.
• C)There is no phenotypic variation.
• D)A and B
• E)All of the above

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Definitions:

Arithmetic Average

The average of a set of numbers, determined by adding them together and then dividing by the total quantity of numbers in the set.

Distribution

Refers to the arrangement or spread of data points in statistics or the way a resource is spread out across an area or population in geography.

Mean

A statistical measure representing the average of a set of numbers.

Standardized Test

A test administered and scored in a consistent manner to assess the performance of individuals on a comparative basis.