If the Same Allele Has Two or More Phenotypic Effects

question 49

Multiple Choice

If the same allele has two or more phenotypic effects, it is said to be

• A) codominant.
• B) a marker.
• C) linked.
• D) pleiotropic.
• E) hemizygous.

Identify the components and functions of the immune system.

Recognize the phases of the general adaptation syndrome (GAS) and identify the work of Hans Selye.

Differentiate between the types of stress responses including the 'fight or flight' and 'tend-and-befriend' responses.

Explain the impact of stress on health, especially regarding susceptibility to disease.

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Definitions:

Postganglionic Axons

The axons of neurons that relay signals from the autonomic ganglia to the target organs in the peripheral nervous system.

Preganglionic Fibers

Nerve fibers that extend from the central nervous system to the ganglia in the autonomic nervous system.

Pectoralis Major

A large muscle in the upper chest that plays a key role in the movement of the shoulder joint, including flexion, adduction, and internal rotation.

Autonomic Nervous System

The part of the nervous system that controls involuntary bodily functions, including heart rate, digestion, and respiratory rate.