The genome sequence
Focus on genes
News
Features
Background
Focus on proteins
A variable genome


Focus on genes

The human genome contains 20 000-25 000 genes. What are these genes, and how are they controlled?

Features

Image for An open and shut case
Modifications to DNA and histones add additional complexity by controlling access to DNA sequence. 31/01/06
Image for Small RNA: big news
Are genes the only interesting bits of the human genome? Protein-coding genes have hogged our attention, but now tiny RNAs are where the action is. 01/10/05
Image for The big turn-off: RNAi goes clinical
RNA interference (RNAi) is now in every geneticist's toolbox, and may soon be in every doctor's surgery 01/10/05
Image for RNA interference: Silencing is golden
In just 5 years, RNA interference has gone from scientific curiosity to invaluable research tool. 29/01/04
Image for SRY and sex reversal
The gene for 'maleness'. 09/10/03
Image for The major histocompatibility complex
A cluster of genes essential to the immune system. 30/07/03
"Ask three biologists to define a gene and you will get five definitions and two dissenting opinions." David States
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