What Is True of the Phylogeny in the Above Figure

question 2

Multiple Choice

What is true of the phylogeny in the above figure? 1. It is rooted.
2. The gibbons and siamangs represent an outgroup of the great apes.
3. Chimps and humans are the closest extant sister taxa depicted here.
4. It is absolute, meaning free of error.
5. The last common ancestor of the great apes lived about 14 million years ago.

• A)1, 2, and 3
• B)1, 2, and 5
• C)1, 2, 3, and 4
• D)1, 2, 3, and 5
• E)2, 3, 4, and 5

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Definitions:

Minimal Risk

A research condition where the probability and magnitude of harm are no greater than those encountered in daily life or during routine physical or psychological examinations.

Greater Than Minimal Risk

Describes research situations where the probability and magnitude of harm or discomfort anticipated in the research are greater than those ordinarily encountered in daily life or during the performance of routine physical or psychological examinations or tests.

Full IRB Review

A full IRB review is a thorough examination by an Institutional Review Board of proposed research protocols that involve human subjects, to ensure the study's ethical and legal appropriateness.

Special Ethical Procedures

Guidelines or practices developed to address specific moral questions or dilemmas, often used in research or medical contexts.