Why are some viruses considered beneficial?

A. They can delete genetic material.
B. They can be used in gene therapy.
C. Viruses are always detrimental.



Answer :

Final answer:

Viruses can be beneficial in gene therapy and in understanding molecular biology.


Explanation:

Viruses are not always detrimental; in fact, they can be beneficial due to their various applications in research and medicine. One significant benefit is their role in gene therapy, where they serve as vectors to introduce healthy genes into patients with genetic disorders. Additionally, viruses are instrumental in understanding molecular biology by helping researchers study DNA replication, transcription, protein transport, and more.


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