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Viral genetics is a branch of microbial genetics that studies the genetic makeup of viruses. Viruses are not considered living organisms because they cannot reproduce or carry out metabolic processes without a host cell. Their genetic material, which can be either DNA or RNA, is enclosed within a protein coat called a capsid.123

Viruses infect host cells to replicate, using the host's machinery to produce new viral particles. This process can sometimes lead to cell death or dormancy, where the viral genetic material integrates into the host's genome. Viral genetics is crucial for understanding viral diseases and has applications in biotechnology, such as the development of viral vectors for gene therapy and vaccines. Mutations, or changes in viral genetic material, are a primary source of genetic variation in viruses, contributing to their rapid evolution.4567

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