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Gregor Mendel
starts the science of genetics. Studies how pea plants pass down their character traits. -
Frederick Griffith
Discovered that bacteria contains a molecule that can pass down genetic information form one cell to another. -
Avery, McCarty, and MacLeod
Did an experiment that found that the transforming principle is DNA. -
Erwin Chargaff
Discovers that the amount of adenine and thymine are almost always the same amount as well as guanine and cytosine -
Alfred Hershey and Martha Chase
Confirmed that the genetic material of viruses is DNA -
Rosalind Franklin and Maurice Wilkins
Did an x-ray diffraction on DNA and confirmed that it was in the form of a double-helix. -
James Watson and Francis Crick
Create a model of the DNA double helix. -
Ada Olins and Christopher Woodcock
They discovered that DNA was wrapped around proteins called Histones. -
The Human Genome Project
It was a project where scientists looked at our ancestors and mapped their genes.