What Is the Most Common Method of HIV Transmission

question 71

Multiple Choice

What is the most common method of HIV transmission?

• A)having unprotected sex
• B)sharing needles to inject drugs
• C)using acupuncture needles
• D)piercing of earlobes

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Definitions:

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

Genome

Every piece of genetic material or gene set found in an organism or its cell.

Epigenetic Marks

Chemical modifications to DNA and histone proteins that affect gene expression without altering the underlying DNA sequence.

Environment

The surroundings or conditions in which a person, animal, or plant lives or operates, including both natural and human-made factors.