|Question 7Verbal

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Horizontal gene transfer involves the exchange of genetic material between organisms not in a parent-offspring relationship. It is common among prokaryotes (single-celled organisms, such as the bacteria Enterococcus cecorum and Moraxella caviae). The process can have the effect of increasing bacterial resistance to antibiotics, as such, an understanding of how to prevent horizontal gene transfer might result in the mitigation of dangerous pathogens (organisms that cause disease).
Which choice best describes the function of the underlined sentence in the text as a whole?
It suggests that a commonly held belief regarding an organism is mistaken.
A
It summarizes the history of research into a biological phenomenon.
B
It illustrates why one organism may pose more of a threat than another.
C
It explains a practical benefit of researching a particular biological process.
D