Comparisons of the Genes That Code for Lysozyme and the Amino

question 89

Multiple Choice

Comparisons of the genes that code for lysozyme and the amino acid sequence of the enzyme from a number of organisms revealed that

• A) the rate of nonsynonymous mutations is higher than that of synonymous mutations.
• B) a common recent ancestor is necessary for organisms to develop very similar adaptations.
• C) bovine (cattle) lysozyme was very similar overall to langur lysozyme.
• D) the number of changes in lysozyme uniquely shared by cattle, langur, and the hoatzin was high.
• E) none of the changes in lysozyme were adaptive.

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Definitions:

Research Question

A question that a research project aims to answer, guiding the methodology and analysis of the study.

Significance Level

The criterion used for rejecting the null hypothesis, representing the probability of committing a Type I error.

Critical Value

A critical value is a point on the distribution of a statistical test that marks the boundary of the rejection area for the null hypothesis, aiding in decision making regarding statistical significance.

Wilcoxon Rank Test

A nonparametric statistical test used to compare two related samples, to assess whether their population means ranks differ.