How Does the Development of a Mouse Leg Differ from the Development

question 45

Multiple Choice

How does the development of a mouse leg differ from the development of a fly leg?

• A) In a mouse leg, the proximal structures develop first.
• B) In a mouse leg, the gene Hh controls development.
• C) In a fly leg, the proximal segments develop first.
• D) In a fly leg, the gene Shh controls development.

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Definitions:

Twilight Zone

A metaphorical or real space where reality is blurred or ambiguous, often used in storytelling or psychology to describe situations that cannot be easily categorized.

Amphetamines

Stimulant drugs that can produce symptoms of euphoria, self- confidence, alertness, agitation, paranoia, perceptual illusions, and depression.

Natural Opioid

Any opiate-like substance produced naturally by the body, such as endorphins, which act to relieve pain or produce pleasure.

Human Body

The entire physical structure of a human being, comprised of various systems (e.g., skeletal, muscular, circulatory) that function interdependently.