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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
An investigator who studies virology obtains a biopsy from the ulcer base of an active genital herpes lesion for viral culture. The cultured virions, along with herpes simplex virions of a different phenotype, are cointroduced into a human epithelial cell in vitro. The progeny viruses are found to have phenotypes that are distinct from the parent strains. Sequencing of these progeny viruses shows that most genomes have material from both parent strains. These findings are best explained by which of the following terms?
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Recombination