A Researcher Interested in Patterning of the Early Neural Tube

question 5

Multiple Choice

A researcher interested in patterning of the early neural tube identifies a new secreted factor expressed in the floor plate.Assuming that the newly identified factor plays a role in patterning,which axis of the developing neural tube would you expect to be perturbed if this factor is inactivated?

• A) Cranial-caudal
• B) Dorsal-ventral
• C) Medial-lateral
• D) Right-left

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Definitions:

Behaviour

The way in which an individual acts or conducts themselves, especially towards others.

Negative Reinforcement

A behavioral principle where the removal of an unfavorable outcome or stimulus following a desired behavior increases the likelihood of that behavior being repeated.

Punishment

A consequence applied to decrease or eliminate a behavior or action considered undesirable.

Acquisition

The process of gaining possession or control of another company or business entity.