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ZOO 102 Practice Questions ZOO 102 7 Objective Question
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Question

6. In a phylogenetic tree, the outgroup represents
Options
A A taxon that diverges from all other taxa represented in the tree
Correct Answer
B The most closely related ingroup taxon
C The common ancestor of the entire tree
D A synonym for the root
Correct Answer

Option A is the correct answer.

Detailed Explanation

An outgroup is a lineage that split off earlier than the taxa being evaluated (ingroup), serving as a reference point to polarize character states.

Hint

A distantly related reference taxon that diverged earlier than the group of interest.

Question Info

Course: ZOO 102
Topic: Practice Questions ZOO 102 7
Type: Objective
Difficulty: Not specified
Question 725 of 737
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