Location of a Cell May Be Critical in the Determination

question 109

Multiple Choice

Location of a cell may be critical in the determination of its ultimate fate during development, as in the development of vertebrate limbs. This fact arises from

• A) the unequal distribution of transcription factors.
• B) expression of organ identity genes.
• C) a gradient in the concentration of the morphogen, sonic hedgehog.
• D) a gradient in the concentration of ZPA.
• E) expression of homeotic genes.

---

Definitions:

College Professor

An academic professional who teaches students in post-secondary institutions and often engages in research or scholarship in their field of expertise.

Positive Messages

Communications that convey good news, positive feedback, or constructive information.

Audience Compliance

The degree to which a target audience adheres to or follows the directives, suggestions, or instructions provided by a communicator.

Main Idea

The central or most important concept, point, or message that an author or speaker intends to convey.