Suggested that the form giving principle of an organism was transmitted through male and female bodily fluids which interacted in the womb.
He was the first physician to clearly describe the hereditary nature of haemophilia in his work Al-Tasrif.
Published his work applying statistical analysis to define the concept of dominant and recessive character or traits in Experiments on Plant Hybridization.
Propose that inheritance is due to chromosomes.
Makes the first genetic map of a chromosome.
Conclude that DNA is structured as a double helix.
Receive first U.S. patent for gene cloning.
Invents DNA fingerprinting
clone a sheep known as "Dolly the Sheep".
developed the drug Advexin, the first gene therapy for cancer and Li Fraumeni syndrome.