Virus and spyware definitions are files that act like an encyclopedia of known malicious software, including viruses, spyware, and other potentially unwanted software.
Highly accurate DNA parental testing became available in the 1980s with the development of RFLP. In the 1990s, PCR, developed in 1983, became the standard method for DNA parental testing. A simpler, faster, and more accurate method of testing than RFLP, it has an exclusion rate of 99.99% or higher.
The two scientists that established the structure of DNA were-James Watson-Francis Crick This occured in 1953. Another scientist, Dr. Rosalind Franklin did an X-ray and showed the shape in 1952. Good luck! Abercrombie and Fitch Â· 8 years ago.