The History of DNA (डी एन ए ईतिहास )


1800’s

1 . 1859 – Charles Darwin publishes The Origin of Speci

2 .1866 – Gregor Mendel discovers the basic principles of genetics

3 .1869 – Friedrich Miescher identifies “nuclein”

1900’s

1 .1900s – The Eugenics Movement

2 .1900 – Mendel’s theories are rediscovered by researchers

3 .1902 – Sir Archibald Edward Garrod is the first to associate Mendel’s theories with a human disease

4 .1944 – Oswald Avery identifies DNA as the ‘transforming principle’

5 .1950 – Erwin Chargaff discovers that DNA composition is species specific

6 .1952 – Rosalind Franklin photographs crystallized DNA fibres

7 .1953 – James Watson and Francis Crick discover the double helix structure of DNA

8 .1953 – George Gamow and the “RNA Tie Club”

9 .1959 – An additional copy of chromosome 21 linked to Down’s syndrome

10 .1965 – Marshall Nirenberg is the first person to sequence the bases in each codon

11 .1977 – Frederick Sanger develops rapid DNA sequencing techniques

12 .1983 – Huntington’s disease is the first mapped genetic disease

13 .1990 – The first gene found to be associated with increased susceptibility to familial breast and ovarian cancer is                    identified

14 .1990 – The Human Genome Project begins

15 .1995 – Haemophilus Influenzae is the first bacterium genome sequenced

16 .1996 – Dolly the sheep is cloned

17 .1996 – ‘Bermuda Principles’ established

18 .1999 – First human chromosome is decoded

2000’s

1 .2000 – Genetic code of the fruit fly is decoded

2 .2002 – Mouse is the first mammal to have its genome decoded

3 .2003 – The Human Genome Project is completed

4 .2013 – DNA Worldwide and Eurofins Forensic discover identical twins have differences in their genetic makeup

५.2014 – Further Breakthroughs

6 .Future – Epigenetics, personalised medicine and greater individual responsibility

 

 

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