Biology Ch. 13 (Emily Rousseau)

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Biology chapter 13 vocab

selective breeding

method of breeding that allows only those individual organisms with desired characteristics to produce the next generation.

hybridization

breeding technique that involves crossing dissimilar individuals to bring together the best traits of both organisms

inbreeding

Continued breeding of individuals with similar characteristics to maintain the desired characteristics of a line of organisms.

genetic engineering

process of making changes in the DNA code of living organisms

restriction enzyme

enzyme that cuts DNA at a specific sequence of nucleotides

gel electrophoresis

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

recombinant DNA

DNA produced by combining DNA from different sources

polymerase chain reaction (PCR)

technique that allows molecular biologists to make many copies of a particular gene

plasmid

Small circular piece of DNA.

genetic marker

gene that makes it possible to distinguish bacteria that carry a plasmid with foreign DNA from those that dont

transgenic

term used to refer to an organism that contains genes from other organisms

clone

member of a population of genetically identical cells produced from a single cell

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