Genetics

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A new technique could help uncover previously unknown genetic factors contributing to susceptibility to TB. Supplied

How mapping ancestral genes could help the fight against TB

Although one third of the world's population have the TB bacterium, the disease only develops in 10%, which may be linked to genetic factors.
Australia’s Federal Court last year rejected Ms D'Arcy’s appeal and ruled companies could patent genes they isolated. Dan Peled/Shutterstock

Remind me again, how can companies patent breast cancer genes?

The High Court challenge is the last resort for Ms D'Arcy's test case against companies patenting human genes and has implications for patients, clinicians and researchers.
Epigenetic molecules play a different melody on different people’s genomes, and this might be contributing to some developing autism. Jesse Kruger/Flickr

Music of the genome hits a discord with autism

The epigenetic 'musicians' that play our genomes in different ways might help us understand the causes of autism.
The discovery of the genes that influence the beak shape in the famous Galapagos finches highlight the underlying unity of all life. Paul Krawczuk/Flickr

Darwin’s finches highlight the unity of all life

Darwin's finches are known to be a paragon of evolution by natural selection, but a recent genetic discovery relating to their beaks highlights the evolutionary connectedness of all life.
Map depicting the two major hypotheses of the spread of Indo-European languages (white arrows) and geographic distribution of the archaeological cultures described in the text. Wolfgang Haak

European invasion: DNA reveals the origins of modern Europeans

Europe is famously tesselated, with different cultural and language groups clustering in different regions. But how did they all get there? And how are they related?

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