Concepts

Specialized transduction transfers only those bacterial genes located near the site of prophage insertion.

Connecting Concepts)-

Three Methods for Mapping Bacterial Genes irB

Three methods of mapping bacterial genes have now been outlined: (1) interrupted conjugation; (2) transformation; and (3) transduction. These methods have important similarities and differences.

Mapping with interrupted conjugation is based on the time required for genes to be transferred from one

^ The phage chromosome integrates into the bacterial chromosome through a single crossover at the homologous att sites.

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