12th Class Biology Sample Paper Biology - Sample Paper-11

  • question_answer
    Retroviruses do not follow central dogma. Give reason.

    Answer:

    Retroviruses have RNA as genomic material instead of DNA. The RNA gets converted to DNA by the action of enzyme reverse transcriptase. They do not follow central dogma in which flow of genetic information occurs unidirectionally, i.e. DNA\[\to \]RNA\[\to \]Proteins. e.g. Human Immunodeficiency Virus (HIV).


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