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Powerpoint Presentation: Genetic Engineering

 

Molecular Genetics Index

The Chemical Nature if the Gene
The Nucleic Acids
The Gene
Ribonucleic Acid (RNA)
The Characteristics of the Genetic Code
The Genetic Code
Gene Expression
Translation
The lac Operon
Gene Mutations
Electrophoresis

Topic Chapters Index

 

MOLECULAR GENETICS

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Genetic Engineering

The Major Steps in Genetic Engineering

1869

DNA isolated

1944

DNA proved to be the hereditary material.

1953

DNA structure determined

1961

DNA can be split on heating and stuck back together again on cooling.
DNA hybridisation possible.

1962

The first restriction endonucleases discovered.
Molecular scissors.

1966

The genetic code worked out

1967

DNA ligase discovered. Molecular glue. Fragments of DNA can be stuck together.

1973

DNA cloning carried out.

1977

Rapid sequencing of DNA developed.

1982

Transgenic mice and fruit flies produced.

1985

Genetic fingerprinting developed.

1989

Cystic fibrosis gene cloned and sequenced.

1990

Trials for gene therapy begin

1994

Genetically manipulated organisms for food.

2000

The human genome worked out.

 

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