History of DNA
By Inarra Subazali
In 1928 Frederick Griffith worked on a project that helped show others that DNA was the molecule of inheritance. Griffith used mice and injected a poison into the mouse killing it. After, he injected the non poison into a mouse and it lived. Griffith thought that the characteristic to the molecule. The passing on of inheritance is known as transformation.
Rosalind Franklin and Maurice Wilkins
In 1962 Rosalind Franklin and Maurice Wilkins made a crystal of the DNA molecule. They wanted to get DNA to crystallize so they could make an x-ray pattern, helping them to understand how DNA works. The two scientist succeeded and got an x-ray pattern. This pattern had a helix type shape.