| A | B | 
| fragments of DNA cut by restriction enzymes and unique to an individual | RFLPs | 
| process of separating DNA fragments via an electrical field | electrophoresis | 
| process of transferring DNA embedde in a gel to a nylon sheet for further analysis | Souther Blot | 
| a seaweed extract; acts as a sieve in electrophoresis | agarose | 
| DNA designed to search out complimentary segments of DNA for location identification;  usually radioactive | probe | 
| the process of using a radioactivity to expose photographic film for location identification | autoradiography | 
| process of making many copies of small amounts of DNA by raising and lowering the temperature | Polymerase Chain Reaction | 
| requirements of gene mapping | 1)  multigenearational family; 2) probes to detect RFLPs  3)  coordination between afflicted members of a pedigree & their bands on a Southern Blot test | 
| examples of DNA sources from a crime scene | blood; skin cells; hair; semen |