Which of the Following Is Not a Postzygotic Isolating Mechanism

question 22

Multiple Choice

Which of the following is not a postzygotic isolating mechanism?

• A)Male gametes are not transferred to the female gametes.
• B)Zygotes die early in embryogenesis.
• C)Hybrids are inviable.
• D)Hybrids are sterile.
• E)Backcross hybrids are inviable.

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Definitions:

Experimental Groups

Groups in an experiment that receive the treatment or intervention being tested, as opposed to the control group which does not.

Control Groups

In experimental research, a group of subjects that does not receive the experimental treatment, serving as a comparison to evaluate the effect of the treatment.

Independent Variable

In an experiment, the independent variable is the factor that is manipulated to see if it causes a change in the outcome or dependent variable.

Nicotine

A stimulant and addictive substance found in tobacco, responsible for the habit-forming nature of tobacco use.