摘要
Polymerase chain reaction (PCR) is a recently devoloped molecular biological technique, using specific oligonucleotide primers and DNA polymerase to amplify the specific fragment of DNA in vitro. This technique has been successfully introduced in gene diagnosis, mutation detection, polymorphism analysis and nucleotide sequencing. In the study of gene transfer and gene therapy, it is necessary to analyse DNA in the
基金
Project supported by High Technique Research of the State.