Week 2 Choice 4

Gregor Mendel published his paper. This includes Mendel’s Laws of Inheritance, which are the Law of Segregation and the Law of Independent Assortment. Although not recognized at the time, they are crucial in todays study of genetics.

Jan 1, 1866

1866 Gregor Mendel published his paper. This includes Mendel’s Laws of Inheritance, which are the Law of Segregation and the Law of Independent Assortment. Although not recognized at the time, they are crucial in todays study of genetics.

Friedrich Miescher names a highly acidic particle he found in the nucleus of a cell DNA. This term is not used for over 70 years.

Jan 1, 1869

An Austrian, a Dutch, and a German all confirm Mendel’s studies on genetics. William Bateson of England translate Mendel’s paper to English, and becomes one of England’s best scientists in heredity.

Jan 1, 1900

T.H. Morgan used flies to verify the theory of heredity. He used flies and recorded the color of their eyes.

Jan 1, 1910

Erwin Chargaff proves that in DNA, theres is one A for every T, and one C for every G. this number varies between everything.

Jan 1, 1950

Watson Crick figure out how so much DNA fits inside cells. It’s shaped like a double helix (twisted ladder), and can be compressed to fit inside small areas.

Jan 1, 1953

Hamilton Smith purifies the first restriction enzyme, enabling us to cut DNA and later modify it through gene splicing.

Jan 1, 1970

We figure out how to use DNA fingerprinting, which enables us to more accurately sentence criminals and identify bodies. Gene therapy is tested in the treatment of diseases like hemophilia, and we start to genetically alter foods.

Jan 1, 1990

Ian wilmut successfully clone Dolly the sheep, the first mammal ever to be cloned. This brings up ethical and moral issues about cloning that are still unsettled today.

Jan 1, 1996

Scientist release human DNA. This enables researchers to better understand how to treat and cure diseases, and come up with cures.

Jan 1, 2001