Question

Some viruses have RNA but no DNA. This indicates that-

• A. they cannot replicate
• B. these viruses do not have heritable information
• C. RNA can transmit hereditary information
• D. their nucleic acids must combine with host DNA for virus duplication

Answer 1

The correct option is C

RNA can transmit hereditary information

The correct option is C.

Explanation of the correct option:

1. Viruses are the minute particles much smaller than bacteria which can be observed only with the help of electron microscopes. Viruses live and grow only inside the living cells.
2. In virus, both DNA and RNA can act as genetic materials.
3. Like DNA, RNA can also transmit hereditary information to the next generation.

Final Answer:

Some viruses have RNA but no DNA. This indicates that RNA can transmit hereditary information.