for the virulence of a phage. A bacteriophage solution of a given concentration is inoculated with the bacterial colonies and the number of plaques on the bacterial plate is counted. The plaques are the proxy for the number of phages present in the solution as each plaque is likely to come from a single parent phage. 3. Why is it that only a lytic phage will yield accurate results from this type of experiment? Why can't you use a latent or filamentous phage?
Genetic Recombination
Recombination is crucial to this process because it allows genes to be reassorted into diverse combinations. Genetic recombination is the process of combining genetic components from two different origins into a single unit. In prokaryotes, genetic recombination takes place by the unilateral transfer of deoxyribonucleic acid. It includes transduction, transformation, and conjugation. The genetic exchange occurring between homologous deoxyribonucleic acid sequences (DNA) from two different sources is termed general recombination. For this to happen, an identical sequence of the two recombining molecules is required. The process of genetic exchange which occurs in eukaryotes during sexual reproduction such as meiosis is an example of this type of genetic recombination.
Microbial Genetics
Genes are the functional units of heredity. They transfer characteristic information from parents to the offspring.
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