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Glossary

DNA (genetic) marker

A DNA (genetic) marker is a gene or DNA sequence with a known location on a chromosome that can be used to identify individuals or species.



Articles using this Glossary Item

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Book Review: Bioinformation

16 October 2017 - by Ryan Ross

Since 2011, Polity Books has published a number of books in its 'Resources Series', which have focused on subjects like diamonds, oil and timber. Yet its forthcoming volume marks something of a shift, for its focus is bioinformation... [Read More]

Gene test could improve prediction of breast cancer risk

16 October 2017 - by Hannah Somers

A new genetic test to accurately predict an individual's risk of developing breast cancer will soon be rolled out at two hospital clinics in Manchester... [Read More]

Genes for insomnia discovered

19 June 2017 - by Lea Goetz

Researchers have found seven risk genes for insomnia through two large genome-wide and gene-based association studies... [Read More]

Dutch woman tracks her sperm donor using DNA bank

05 June 2017 - by Rikita Patel

A donor-conceived Dutch woman, Emi Stikkelman, is the first to find her sperm donor using an American commercial DNA bank... [Read More]

Forty new genes linked to intelligence in humans

30 May 2017 - by Annabel Slater

A study of almost 80,000 people has identified 40 new genes linked to intelligence... [Read More]

FDA approves home genetic tests for 10 diseases

10 April 2017 - by Jamie Rickman

The US Food and Drug Administration has approved the first genetic test to estimate an individual's risk of disease that can be sold directly to consumers... [Read More]

Gene linked to depression, and largest genetic study launched

10 April 2017 - by Sarah Gregory

Researchers have identified a gene variant that increases the risk of depression, while elsewhere the largest genetic study testing for risk factors gets underway... [Read More]

Genetic test could predict age of Alzheimer's onset

27 March 2017 - by Julianna Photopoulos

A genetic test based on 31 markers could be used to predict at what age an individual is likely to develop Alzheimer’s disease... [Read More]

Osteoporosis drug touted as potential 'BRCA-blocker'

27 June 2016 - by Helen Robertson

A drug currently used to treat osteoporosis in old age may help prevent breast cancer in women with a genetic predisposition for the disease... [Read More]

Genetic marker predicts colon cancer chemotherapy outcome

25 January 2016 - by Hannah Somers

Scientists in the USA have identified a biomarker that could predict which patients with colon cancer might benefit from chemotherapy to prevent recurrences of the disease after surgical treatment.... [Read More]

Man fails paternity test due to passing on unborn twin's DNA

02 November 2015 - by Jessica Richardson

A man discovered he was not the genetic father of his child, due to a rare form of chimerism that means some of his cells carry a genome belonging to an unborn twin who died in the womb... [Read More]

Obesity findings set precedent for GWAS research

07 September 2015 - by Dr James Heather

Recent findings linking the FTO gene to adipose cell energy use not only revealed a molecular mechanism that contributes to obesity, but they are also an exemplar of how genome-wide association study findings can make the journey to clinical relevance... [Read More]

Scientists disagree over Native American origins

27 July 2015 - by Isobel Steer

In a rare and high-profile scientific dispute, two recent genetic studies have reached opposing conclusions on the origins of Native Americans... [Read More]

Gene therapy for cystic fibrosis shows promise

06 July 2015 - by Dr Nicoletta Charolidi

A new gene therapy technique for treating cystic fibrosis has shown potential in a new study... [Read More]

Bronze Age genomics reveals origins of modern Europeans and Asians

15 June 2015 - by Paul Waldron

The modern European and Central Asian gene pools are the result of mass migrations during the Bronze Age, according to a new analysis of ancient human remains... [Read More]

CRISPR reveals new cancer drug targets

11 May 2015 - by Dr Indrayani Ghangrekar & Ayala Ochert

Molecular biologists have used gene-editing technology to identify promising targets for anti-cancer drugs... [Read More]

Cas9 inhibits hepatitis C in human cells

05 May 2015 - by Dr James Heather

US researchers have used the CRISPR/Cas9 system to target hepatitis C infection in human cells... [Read More]

Epigenetic blood test for children 'predicts' obesity five years later

31 March 2014 - by Dr Charlotte Warren-Gash

A DNA blood test for children aged five can help predict body fat levels when they are aged nine to 14, a small study suggests... [Read More]

'Fat gene' carriers should forgo fried foods, study finds

24 March 2014 - by Dr Anna Cauldwell

People with genes that predispose them to excess weight and obesity are more likely to put on weight from eating fried food, a study says... [Read More]

There's a new 'fat gene' in town...

17 March 2014 - by Dr Rosie Gilchrist

Scientists have identified a gene called IRX3 which is associated with obesity and may emerge as a serious contender as the most important 'fat gene' yet discovered... [Read More]

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