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.
Genetic engineering involves changing the DNA of an organism, usually by deleting, inserting or editing a gene to produce desired characteristics.
The use of biological organisms or enzymes to create, break down or transform a material.
Cells which can divide repeatedly without becoming differentiated and have the capacity to develop into a diverse range of specialised cell types.
A list of often difficult or specialised words with their definitions.
The basic unit from which all living organisms are built up, consisting of a cell membrane surrounding cytoplasm and a nucleus.
Stem cells exist naturally in the body to replace damaged cells and tissues. Research into stem cells could allow:
None of these are readily available yet - but trials are underway to investigate whether they are possible.
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There are a number of interactive features in this e-source: