1.

It's clearly mentioned in the NCERT , No viruses have both DNA and RNA but then why Leukovirus is an exception​ ??

Answer»

It depends on TYPE of virus. GENERALLY there are TWO kind of virus group viz. Retro-Virus , deoxyribovirus. RETROVIRUS have RNA as genetic material while Deoxyribovirus have DNA as genetic material . A virus can't have both RNA as well as DNA they EITHER have DNA or RNA.Explanation:



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