Genetics TimeLine

Main

Charles Darwin

1859

Charles Darwin published The Origins of Species.

Genetics

1859 - 2003

Mendel's Paper

1866

Mendel's paper about genetics was published but not accepted until 34 years later,

William Bateson

1905

Coined the word "Genetics" for this type of study.

Alfred Sturtevant

1913

First ever linkage map created by Columbia undergraduate Alfred Sturtevant.

Hermann J. Muller

1927

Hermann J. Muller used x-rays to cause artificial gene mutations in Drosophila.

Rosalind Franklin

1951

Rosalind Franklin obtained sharp X-ray diffraction photographs of DNA.

Alfred Hershey and Martha Chase

1952

DNA is the molecule that mediates heredity, as shown in bacteriophage labeling experiments by Alfred Hershey and Martha Chase. This confirmation of the 1944 results really convinced everyone.

DNA's 3D Structure

1953

Francis Crick and James Watson solved the three-dimensional structure of the DNA molecule.

Dolly the Sheep.

1996 - 1997

The first cloning of a mammal performed by Ian Wilmut and colleagues.

Humans Have 20,000 to 25,000 Genes

2003

Upon sequencing the human genome, it's discovered that humans have approximately 20,000 to 25,000 genes, far fewer than most scientists had predicted. It is hoped that understanding the genome will boost the fields of medicine and biotechnology, eventually leading to cures for diseases such as cancer and Alzheimer's disease