| A | B |
|---|
| Inbreeding | continued breeding of individuals with similar characteristics |
| Selective breeding | method of improving a species by allowing only those individual organisms with desired characteristics to produce the next generation |
| Clone | member of a population of genetically identical organisms produced from a single cell |
| Genetic engineering | circular DNA molecule found in bacteria |
| Plasmid | DNA produced by combining DNA from different sources |
| Recombinant DNA | enzyme that cuts DNA at a specific sequence of nucleotides |
| Transgenic | term used to refer to an organism that contains genes from other organisms |
| vector | animal that carries disease-causing agents from person to person |
| gene therapy | transplantation of normal genes into cells in place of missing or defective ones in order to correct genetic disorders |
| Human Genome Project | International project to map the entire genetic material of a human being |
| 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 |
| Stem cells | an undifferentiated cell of a multicellular organism that is capable of giving rise to indefinitely more cells of the same type and from which other certain kinds of cells arise from differentiation |
