28 february: Watson discovers that the four DNA
bases pair off: A with T and C with G. Crick is in agreement with him.
Crick and Watson
build them DNA model.
25 april: Watson and Crick publish them discovery
on the weekly "Nature".
1960: RNA messenger and its bond with DNA in the protein synthesis
is discovered.
1967: Allan Wilson and Vincent Sarich, with molecular
biology, establish that men part from big apes , during its evolution,
5 millions years ago, di anni fa, instead of 25 millions.
1972: Paul Berg begins the recombinant DNA technics. Bruce Ames discovers
that the chemical carcinogenic
molecules that cause DNA mutations.
1973: Stanley Cohen and Herbert
Boyer include a gene of an african toad inside the DNA of a bacteria.
1983: Kary Mullis gets the Pcr test (polymerise
chain reaction) that permits to multiply the DNA sequences.
1984: The genetics imprint borns.
1985: Robert Gallo and Luc Montaigner publish the genetic sequence of
HIV: AIDS virus.
1986: The FDA approves the first bioengineering
vaccine against B hepatitis.
1990: The International Project "Human Genome" begins.
1994: The first genetically modified tomato " Flavr
Svr" is put on the market.
1997: Ian Wilmut announces the cloning of Dolly the
sheep (died in 2003).
1998: Two American groups are able to have grown
staminal cells of an embryo.
1999: It is maked the "golden rice", genetically
modified rise with betacarotene.
2000: Venter and Francis Collins announce the completion
of Human genome.
1953