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method of breeding that allows only those individual organisms with desired characteristics to produce the next generation.
breeding technique that involves crossing dissimilar individuals to bring together the best traits of both organisms
Continued breeding of individuals with similar characteristics to maintain the desired characteristics of a line of organisms.
procedure used to separate and analyze DNA fragments by placing a mixture of DNA fragments at one end of a porous gel and applying an electrical voltage to the gel
polymerase chain reaction (PCR)
technique that allows molecular biologists to make many copies of a particular gene
gene that makes it possible to distinguish bacteria that carry a plasmid with foreign DNA from those that dont
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