Bacterial transformation is a major concern in many medical settings. Why might health care providers be concerned? a. Pathogenic bacteria could introduce diseasecausing genes in non-pathogenic bacteria. b. Antibiotic resistance genes could be introduced to new bacteria to create “superbugs.” c. Bacteriophages could spread DNA encoding toxins to new bacteria. d. All of the above.
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.
Bacterial transformation is a major concern in many
medical settings. Why might health care providers be
concerned?
a. Pathogenic bacteria could introduce diseasecausing
genes in non-pathogenic bacteria.
b. Antibiotic resistance genes could be introduced to
new bacteria to create “superbugs.”
c. Bacteriophages could spread DNA encoding toxins
to new bacteria.
d. All of the above.
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