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William Harvey
William Harvey suggests that all living things originate from eggs. -
JR Cameraius
JR Camerarius does pollination experiments and discovers sex in flowering plants -
CV Linnaeus
CV Linnaeus proposes the taxonomic system including the naming of Homo sapiens -
Charles Darwin
Charles Darwin published Origins of Species. -
Gregor Mendel
Gregor Mendel published the results of his investigations of the inheritance of “factors” in pea plants -
Walter Sutton
Walter Sutton closed the gap between cell morphology and heredity -
Discovery
Chromosomes were discovered to be heredity units -
Thomas Hunt Morgan
Thomas Hunt Morgan shows that genes reside on chromosomes -
Discovery
Physical changes in genes are called mutations -
Edward Lawrie
Edward Lawrie Tatum and George Wells Beadle show that genes code for proteins -
Rosalind Franklin
Rosalind Franklin Obtained sharp x-ray diffraction photographs of DNA -
James Watson & Francis Crick
DNA structure is resolved to be a double helix by James Watson and Francis Crick -
Jo Hin Tjio & Adam Levan
Jo Hin Tjio and Albert Levan established the correct chromosome number in humans to be 46 -
Fred Sanger, Walter Gilbert & Allan Maxam
DNA is sequenced for the first time by Fred Sanger, Walter Gilbert and Allan Maxam -
Discovery
Human chromosome 22 becomes first one to be sequenced completely -
Discovery
First draft sequences of human genome are released simultaneously by the Human Genome Project and Celera Genomics -
Discovery
Successful completion of Human Genome Project with 99% of the genome sequenced to a 99.99% accuracy