Which of the Following Statements Regarding Rooted Trees Is FALSE

question 25

Multiple Choice

Which of the following statements regarding rooted trees is FALSE?

• A) The root of a tree represents the common ancestor of the taxa shown on the tree.
• B) Any two rooted trees corresponding to the same unrooted tree will require the same number of character changes.
• C) The most common approach to rooting a tree is to use an outgroup.
• D) The root of a tree represents the most recent divergence event for the taxa shown on the tree.

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Definitions:

Dosage

Dosage refers to the size, frequency, and number of times a medication or drug should be taken to achieve its intended effect.

Toxicity

The degree to which a substance can cause harm to an organism, ranging from mild irritation to lethal effects.

Clinical Equipoise

The ethical principle in clinical research that requires genuine uncertainty within the expert medical community regarding the comparative therapeutic merits of each arm in a trial.

Treatment Options

Various medical interventions available for diagnosing, managing, or curing diseases or injuries.