DNA

Gregor Mendel

Jan 1, 1866

Discoverd the genes come in pairs and are inherited as distinct units, one from each parent.

Friedrich Miescher

Jan 1, 1869

Friedrich Miescher describes an acidic substance in a cell's nuclei. The substance was first called nuclein, but is now identified as DNA.

Thomas Hunt Morgan

Jan 1, 1911

Morgan discovers that genesare in chromosomes

Frederick Griffith

Jan 1, 1928

Discovered that there must be a genetic factor that can transform the bacteria.

William Astbury

Jan 1, 1943

First pictures of DNA taken

Erwin Chargaff

Jan 1, 1950

discovers that the bases of DNA are equal = there is an A for every T and a C for every G.

Rosalind Franklin

Jan 1, 1952

Creates an image of DNA crystals Via X-ray

James Watson and Francis Crick

Jan 1, 1953

Steal Franklins DNA x-ray and publish their description of DNA. Describe the image as a double helix

Advances in genetics (1953-1996)

Jan 1, 1974

various discoveries of individual genes for cystic fibrosis, Huntington's disease, etc. Also, genetically engineered food, testing on animal cloning.

Human genome project

Jan 1, 2000

Announcement of a draft of the human genome by a joint venture of the public and a private company called Celera.

Human genome complete

Jan 1, 2003

Final completion of the human genome sequence announced.