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Polymerase chain reaction

PCR is a series of temperature-controlled reactions which enable us to amplify a very tiny sample of DNA,  producing enough material for it to be analysed or used in DNA profiling.

Stem cells

Cells which can divide repeatedly without becoming differentiated and have the capacity to develop into a diverse range of specialised cell types.

Genetic engineering

Genetic engineering involves changing the DNA of an organism, usually by deleting, inserting or editing a gene to produce desired characteristics.

Biotechnology

The use of biological organisms or enzymes to create, break down or transform a material.

Unravelling the genome

Just reflect...

    Human genome

    The complete sequence of all 20,000-25,000 human genes. That is, which chromosomes they are in and whereabouts the gene appears on that chromosome's piece of DNA.

    Genetic code

    Sequence of bases in a DNA molecule which codes for the sequence of amino acids in a protein. Each group of three bases, codes for an amino acid.

  • on the millions of base pairs that make up the human genome
  • on the efforts of scientists and technologists around the world deciphering the human genetic code
  • on the potential benefits that understanding the human genome will bring - and the issues that will need to be considered.

Knowledge of the human genome brings with it enormous power, and also great responsibilities.

Contents

Click here to download the Unravelling the Genome poster shown below.

unravelling the genome poster

To order a free set of ABPI schools posters on the following topics: biotechnology, cloning, genetic engineering, unravelling the genome, polymerase chain reaction and stem cells, please fill in our order form.

How to use this site

There are a number of interactive features in this e-source:

    Glossary

    A list of often difficult or specialised words with their definitions.

  • A glossary of terms: any word with a glossary entry is highlighted like this.
  • Quick questions: at the end of most pages or sections there is a question or set of quick questions to test your understanding.
  • Animations: most of the animations can be expanded to full screen size, ideal for showing on an interactive whiteboard. The animations will play all the way through or can be viewed one section at a time.
  • Downloads: Teachers can download individual diagrams, animations and other content from the Download Library area of the website. Terms and Conditions apply.