Refer to the Figure, Which Shows a Phylogenetic Tree of the Engrailed

question 20

Multiple Choice

Refer to the figure, which shows a phylogenetic tree of the engrailed gene family. In the evolution timeline, which gene is the most recent paralog of zebrafish En2b?

• A) Zebrafish En2a
• B) Chicken En2
• C) Lamprey En
• D) Sea urchin En
• E) Human En1

---

Definitions:

Conceptual Knowledge

Knowledge that is based on understanding concepts, principles, and ideas rather than on facts and practical skills.

Traditional Recitation Scripts

Predefined speeches or texts that are memorized and recited in traditional ceremonies or educational settings.

Problem-oriented Approaches

Methods of addressing and solving problems by identifying the issue, developing potential solutions, and systematically tackling the problem through logical steps.

Reading Comprehension

The ability to understand, interpret, and derive meaning from written language.