Which Statement About Horizontal Gene Transfer Is Correct

question 17

Multiple Choice

Which statement about horizontal gene transfer is correct?

• A) Few pathogenicity islands are generated by horizontal transmission.
• B) Horizontal gene transfers move whole blocks of DNA from one organism to another.
• C) Horizontal gene transfer helps pathogens evolve.
• D) All genes code for toxins.

---

Definitions:

Proactive Interference

A phenomenon where older memories interfere with the recall of newer memories.

Decay

The process of decline in quality, power, or vigor, often used in the context of physical objects deteriorating or the fading of memories over time.

Cue-dependent Forgetting

The inability to recall information in the absence of specific cues or contexts that were present at the time the memory was formed.

Original Memory

The initial encoding of information into the memory system, before any subsequent alterations or modifications.