History of DNA - Timeline

1859: The Origin of Species - published by Charles Darwin

1866: Discovery of the basic principles of genetics by Gregor Mendel

1869: Identification of Nuclein by Friedrich Meischer

1896: Gregor Mdendel's pea plant research rediscovered by researchers into the wider scientific community

1990: The Eugenics Movement (selective breeding of Humans)

1902: Gregor Mendel theories accociated with human disease by Sir Archibald Edward Garrod

1944: Identification of DNA as the 'transforming principle' - By Oswald Avery

1944: Discovery that DNA composition is species specific - By Erwin Chargaff

1952: Rosalind Franklin potographs crystallised DNA fibres

1953: Discovery of the double helix structure of DNA - By James Watson and Francis Crick

1990: The Human Genome Project begins

1996: Cloning of Dolly the sheep

1999: First human chromosome is decoded

2003: Completion of The Human Genome Project

2013: Discovery that identical twins have different genetic makeup