Which of the Following Statements Is True

question 43

Multiple Choice

Which of the following statements is true?

• A) Genes in the same organism evolve at about the same rate.
• B) Genes in different organisms evolve at about the same rate.
• C) Homologous genes often evolve in the same way.
• D) Different regions of the same gene evolve at different rates.
• E) Nucleotide substitutions are nonrandom.

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Definitions:

Cramér's V

A quantification of the link between two variables of a nominal type, with a scale from 0 to 1.

Cramér's V

A measure of association between two nominal variables, giving a value between 0 and 1 that indicates the strength of the relationship.

Expected Frequency

The anticipated count in each category of a contingency table under the assumption that the null hypothesis is true, used in chi-square tests.

Null Hypothesis

The null hypothesis is a statement in statistical analysis that proposes no significant effect or no difference as the outcome of an experiment or study.