-
Gregor Mendel
Gregor Mendel publishes a paper about the predictability of offspring making a foundation for genetics. -
Nettie Stevens & Edmund Wilson
These people discover that females have two X chromosomes, while males have an X and a Y. -
Archibald Garrod
He proposed that some diseases are caused by " inborn errors of metabolism that result from the lack of a specific enzyme." -
Thomas Hunt Morgan
Showed that genes are on chromosomes. -
Alfred Sturtevant
Creates the first genetic map for a chromosome. -
Nucliec Acid
Nucliec Acid was found to be a big component in chromosomes. -
Hermann J. Muller
Used x-rays to make an artifical gene mutation. -
Harriet B. Creighton & Barbara McClintock
Showed cytogical proof for crossing-over in corn. -
Jean Brachet
Shows that DNA is in chromosomes and RNA is in the cytoplasm of cells. -
Rosalind Franklin
Got pictures of DNA by using x-rays. -
Francis Crick & James Watson
Figured out how to make a three-dimensional DNA molecule. -
Paul Berg & Herb Boyer
They created the first recombinant DNA molecules. -
Fred Sanger
Made the first chain termination (dideoxy) method for DNA sequencing. -
Kary Banks Mullis
Invented the polymerase chain reaction for DNA. -
Human Genome Project
The Human Genome Project releases their preliminary results.