Based on What You Know About Holoprosencephaly,what Would You Expect

question 17

Multiple Choice

Based on what you know about holoprosencephaly,what would you expect to happen if expression of the Sonic hedgehog gene was inhibited during development of the forebrain in humans?

• A) Formation of nostrils in place of eyes
• B) Formation of a single cerebral hemisphere
• C) Development of a duplicate pair of eyes
• D) Development of a duplicate pair of ears
• E) Abnormally high levels of cholesterol

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Definitions:

Nonprogrammed

Decisions or actions that are made in response to novel, unpredictable, or unique situations, requiring customized solutions.

Problem-solving

The process of identifying a challenge, difficulty, or discrepancy and applying logical reasoning or creativity to find a solution.

Decision-making

The cognitive process of making a choice among multiple options or courses of action.

Nonprogrammed

Decisions or actions that are made to address unique, non-recurring situations that require specific handling.