When horizontal gene transfer occurs, an organism can obtain genes that may help it to survive and reproduce (increasing its fitness). Which of the following are some potential benefits to Vibrio cholerae bacteria of obtaining genes from their prey? They may obtain virulence genes, genes that allow them to use new metabolic pathways, and genes that prevent them from accidentally picking up DNA in the future. All of these things are beneficial. They may obtain virulence genes and metabolic genes but are unlikely to benefit in other ways. They may obtain genes that help them to more effectively infect hosts and gain antibiotic resistance while also experiencing reduced competition for nutrients. They may obtain genes that prevent them from accidentally picking up DNA in the future.
Added by Katelyn W.
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Why is horizontal gene transfer in bacteria important? A – it increase genetic variation when bacteria acquire DNA from other bacteria B- it prevents bacterial species from developing resistance to antibiotics C – it allows prokaryotes within the same species to exchange genes D – scientists developed this technique to make transgenic organisms E – it is a mechanism that allows genes to be passed to daughter cells
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Which of the following is an example of horizontal gene transfer? a. the transmission of an cye color gene from father to daughter b. the transmission of a mutant gene causing cystic fibrosis from father to daughter c. the transmission of a gene conferring pathogenicity (the ability to cause disease) from one bacterial species to another d. the transmission of a gene conferring antibiotic resistance from a mother cell to its two daughter cells e. all of the above
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