Which of the Following Is an Example of a Postzygotic

question 17

Multiple Choice

Which of the following is an example of a postzygotic barrier?

• A) The gametes cannot join.
• B) The zygote fails to develop.
• C) The breeding seasons are different.
• D) The courtship behaviors are different.

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Definitions:

Triacylglycerols

Lipids formed by three fatty acids linked to a glycerol molecule; a main form of energy storage in animals.

Phospholipids

Lipids in which two fatty acids and a phosphorus-containing group are attached to glycerol; major components of cell membranes.

Hydrocarbons

Organic compounds consisting entirely of hydrogen and carbon, often used as fuels and solvents.

Hydrophobic

Not readily interacting with water; having less affinity for water molecules than they have for each other. Compare with hydrophilic.