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Which one of the following viruses contain both RNA and DNA (a) Cynanophase (b) Herpes virus (c) Leukovirus. (C) Polio virus?
Most Upvoted Answer
Which one of the following viruses contain both RNA and DNA (a) Cynano...
Introduction:
The question is about the type of virus that contains both RNA and DNA.

Answer:
The correct answer is Leukovirus.

Explanation:
Viruses are classified based on their genetic material, which can be either DNA or RNA. However, some viruses have both RNA and DNA. These are called retroviruses, which are a type of single-stranded RNA virus that uses reverse transcriptase to convert its RNA genome into DNA. This DNA then integrates into the host cell's genome and is replicated along with the host DNA.

Examples of viruses with both RNA and DNA:
1. Hepatitis B virus
2. Hepatitis D virus
3. Human T-lymphotropic virus (HTLV)
4. Leukovirus

Leukovirus:
Leukovirus is a type of retrovirus that infects leukocytes, which are white blood cells. It is also known as human T-cell leukemia virus (HTLV) and is associated with various diseases, including adult T-cell leukemia and HTLV-associated myelopathy/tropical spastic paraparesis.

Conclusion:
In conclusion, of the given options, Leukovirus is the only virus that contains both RNA and DNA. It is important to note that retroviruses are the only known viruses that contain both RNA and DNA.
Community Answer
Which one of the following viruses contain both RNA and DNA (a) Cynano...
Leukovirus is a retrovirus also called as RNA-DNA virus
so the correct answer is option (C) Leukovirus
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Which one of the following viruses contain both RNA and DNA (a) Cynanophase (b) Herpes virus (c) Leukovirus. (C) Polio virus?
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Which one of the following viruses contain both RNA and DNA (a) Cynanophase (b) Herpes virus (c) Leukovirus. (C) Polio virus? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which one of the following viruses contain both RNA and DNA (a) Cynanophase (b) Herpes virus (c) Leukovirus. (C) Polio virus? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following viruses contain both RNA and DNA (a) Cynanophase (b) Herpes virus (c) Leukovirus. (C) Polio virus?.
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