31. An example of vertical gene transfer of antibioticresistance is the
a. development of vancomycin resistance via the acquisition ofan Enterococcus resistance gene
b. uptake of beta-lactamase genes by Streptococcuspneumoniae.
c. development of antibiotic resistance via ribosomalmutation.
d. transduction of an antibiotic resistance cassette from onestrain of MRSA to another.
e. transfer of conjugative plasmids carrying resistances genesfrom one strain to another.