The Ultimate Source of Genetic Variation Within a Population Is

question 60

Multiple Choice

The ultimate source of genetic variation within a population is:

• A) mutations in DNA.
• B) adaptation of a species to environmental changes.
• C) homeostatic mechanisms that compensate for environmental changes.
• D) a sensory system that can detect an environmental change.
• E) a system of locomotion that allows an organism to escape environmental changes.

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Definitions:

Sample Mean

The average of all the values in a sample, used as an estimate of the population mean.

Proportion

A statistical measure that denotes the fraction or percentage of the total that exhibits a particular trait or characteristic.

Sampling Plans

Detailed strategies that outline the selection and evaluation of a group of individuals from a statistical population to estimate characteristics of the whole population.

Random Selection

A process of choosing a sample from a population such that every individual has an equal chance of being selected.