Which One of the Following Could Not Apply to a Postzygotic

question 10

Multiple Choice

Which one of the following could not apply to a postzygotic isolating mechanism?

• A)Hybrids are sterile.
• B)Hybrids develop abnormally.
• C)Hybrids fail to become established in nature.
• D)Hybrids are selected against.
• E)Hybrids cannot be formed.

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Definitions:

Progesterone

A hormone released by the ovaries which regulates the condition of the inner lining (endometrium) of the uterus and is essential for maintaining pregnancy.

Neurotransmitter

Chemical substances in the nervous system that transmit signals across a synapse from one neuron to another.

Acetylcholine

A neurotransmitter in the nervous system that plays a crucial role in muscle movement and cognitive functions such as memory and attention.

Dopamine

A neurotransmitter in the brain that plays a major role in reward-motivated behavior and other functions.