Download The History of DNA

The History of DNA
1857 – Gregor Mendel, an Austrian monk, by
experimenting with pea plants, was the first person
to describe how traits, later called genes, were
inherited.
Frederick Griffith - 1928
 Frederick Griffith showed the existence of an
inheritance molecule.
Oswald avery - 1944
 Oswald Avery identified DNA as the inheritance
molecule that Frederick Griffith had discovered.
Rosalind franklin - 1951
 Rosalind Franklin discovered the double helix
shape of DNA.
James Watson & Francis Crick
1953
 James Watson and Francis Crick made an accurate
model of the DNA molecule that has changed
Very little since then.
Current model of dna