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Mendel's paper is published
Mendel's paper about genetics is published. These include units about inheritance in pairs, dominance and recessiveness, and more -
DNA is Identified
DNA, which was first called nuclein, was discovered by Friedrich Miescher as a subsatance found in the nuclei -
Mendel's Experiments are confirmed
Mendels experiments, from 34 years earlier, are redone and confirmed by Dutch, German, Australian scientists. -
First Genetic Disease
The first human disease that came from genetic causes. -
The Chromosome Theory
The chromosome theory of heredity is confirmed in studies of fly eye color inheritance by T.H. Morgan -
Shape of DNA
DNA is in the shape of a double helix with nucleotide chains and a base pairing -
Cloning
The first cloning of a mammal, Dolly the sheep,is performed by Ian Wilmut -
PCR
PCR is developed by Kary Mullis. -
Controversy occurs
Controversies continue over human and animal cloning, research on stem cells, and genetic modification of crops. -
Genetic Code Cracked
The genetic code is cracked by a number of researchers using RNA homopolymer and heteropolymer experiments as well as tRNA labeling experiments. -
