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Glossary

Chromosome

Chromosomes are tightly packaged bundles of DNA, the chemical that encodes genetic information. Nearly all human body cells have a set of 46 chromosomes, while egg and sperm cells have 23.



Articles using this Glossary Item

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New prenatal DNA test for Down's syndrome is more accurate and cheaper

13 November 2017 - by Dr Barbara Kramarz

A new prenatal screening method for Down's syndrome, Edwards syndrome and Patau syndromes is safer, more reliable and cheaper than existing approaches, a study has found... [Read More]

Sleep duration linked to sperm structure

23 October 2017 - by Taqdeer Sidhu

Sleep duration is associated with sperm integrity, according to a recent study in China... [Read More]

Number of mutations needed to cause cancer calculated

19 October 2017 - by Charlott Repschlager

Between one and 10 mutations are required for a healthy cell to turn cancerous... [Read More]

Doubt over human embryo editing study

04 September 2017 - by Annabel Slater

A group of scientists have challenged the landmark study which reported the first successful editing of human embryos for a genetic disease... [Read More]

Screen all chromosomes in prenatal embryo testing, says study

04 September 2017 - by Dr Rachel Huddart

Current prenatal chromosome screening tests could miss rare chromosomal abnormalities and lead to inaccurate results... [Read More]

Event Review: Wellcome Collection Packed Lunch - DNA Repair

17 July 2017 - by Charlotte Spicer

It’s not often a PhD student finds themselves with a whole hour to break for lunch. So when asked to review one of the Wellcome Trust’s 'Packed Lunch' talks, I jumped at the chance to make better use of some rare free time. The monthly event, situated at the Euston-based Wellcome Collection, promises to feed your curiosity... [Read More]

Genes influence ability to read people's minds through their eyes

12 June 2017 - by Charlotte Spicer

Our ability to read people's thoughts and emotions through their eyes is influenced by our DNA, new research suggests... [Read More]

Genetic disorders: empowering patients and families through information

12 June 2017 - by Arti Patel

'I've got the diagnosis, now what?' is one of the first questions families ask when they contact us at Unique, the UK-based organisation for rare chromosome and genomic disorders... [Read More]

Australia upholds the ban on sex selection: a partial victory in an ongoing struggle

22 May 2017 - by Dr Tereza Hendl

Australia recently saw important developments in the field of assisted reproductive technologies, as the National Health and Medical Research Council released its revision of the Part B of the Ethical Guidelines on the Use of Assisted Reproductive Technology in Clinical Practice and Research. Among other topics, this section is concerned with the regulation of sex selection... [Read More]

Resistance to severe malaria identified in gene variants

22 May 2017 - by Dr Molly Godfrey

A gene variant which gives protection against the most dangerous form of malaria has been identified... [Read More]

Older eggs less fertile due to poor cell division

10 April 2017 - by Emma Laycock

Researchers in Canada have found that age-related infertility may be due to older eggs dividing poorly, leading to errors in chromosome number... [Read More]

Gene variants for accelerated brain ageing discovered

20 March 2017 - by Dr Julia Hill

Two common variants of TMEM106B and progranulin (GRN) genes have been discovered to accelerate normal brain ageing... [Read More]

18 new genes linked to autism

13 March 2017 - by Jenny Sharpe

A study that sequenced the whole genomes of over 5000 people has discovered 18 genes associated with autism spectrum disorder (ASD)... [Read More]

Complete synthetic yeast organism almost a reality

13 March 2017 - by Jamie Rickman

An international team has rewritten the genetic code of five chromosomes in yeast – one third of the organism's entire genome... [Read More]

First genome editing of normal human embryos

13 March 2017 - by Dr Katie Howe

Chinese scientists have successfully used genome editing to correct mutations in viable human embryos for the first time... [Read More]

Ethics report on non-invasive prenatal testing raises questions of its own

06 March 2017 - by Nick Meade

The Nuffield Council of Bioethics' new report on non-invasive prenatal testing is unnecessarily negative and encroaches on women's reproductive choices... [Read More]

Podcast Review: Naked Genetics – Testing, testing

06 March 2017 - by Matthew Thomas

Dr Kat Arney leads a fascinating and wide-ranging discussion of genetic testing – from testing for cancer genes to whether your child's DNA can predict their future sporting ability... [Read More]

Little exercise and sedentary lifestyle ages DNA

23 January 2017 - by Matthew Thomas

Older women who take little exercise and live a more sedentary lifestyle have disproportionately older DNA, researchers have found... [Read More]

IVF culture medium can double the chance of success

09 January 2017 - by Annabel Slater

The type of culture media used in IVF can more than double the chance of producing healthy embryos and significantly affect chances of successful conception... [Read More]

The 14-day rule: calling time on embryo research

09 January 2017 - by Dr Valerie Shaikly

The second session of the Progress Educational Trust's annual conference 'Rethinking the Ethics of Embryo Research: Genome Editing, 14 Days and Beyond', looked at new embryo images that have potential to challenge the 14-day rule and discussed the potential benefits of extending the rule beyond the existing time limit... [Read More]

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Events using this Glossary Item

Testing, Testing 1, 2, 3: PGS and PGD
13 September 2016 6pm (registration), 6.30pm-8.30pm (discussion) Institute of Child Health, University College London, 30 Guilford Street, London WC1N 1EH
The Progress Educational Trust's FREE-to-attend event about testing and screening human embryos is taking place TOMORROW EVENING - book NOW. The event will be chaired by Dr Sue Avery, with speakers including Dr Tony Gordon, Dr Christine Patch, James Lawford Davies and Professor Michael Parker...
Genetic Testing in the 21st Century: Should We Screen the Human Embryonic Genome before Implantation?
08 March 2011 1.15pm-1.55pm Darwin Lecture Theatre, Darwin Building, University College London, Gower Street, London WC1E 6BT
A presentation by Dr Joyce Harper to mark International Women's Day...
European Molecular Biology Organisation Meeting
29 August 2009  Amsterdam RAI, 22 Europaplein, Amsterdam 1078 GZ, Netherlands
The 1st annual conference of the European Molecular Biology Organisation...


Published by the Progress Educational Trust

CROSSING FRONTIERS

Public Conference
London
8 December 2017

Speakers include

Professor Azim Surani

Professor Magdalena Zernicka-Goetz

Professor Robin Lovell-Badge

Sally Cheshire

Professor Guido Pennings

Katherine Littler

Professor Allan Pacey

Dr Sue Avery

Professor Richard Anderson

Dr Elizabeth Garner

Dr Andy Greenfield

Dr Anna Smajdor

Dr Henry Malter

Vivienne Parry

Dr Helen O'Neill

Dr César Palacios-González

Philippa Taylor

Fiona Fox

Sarah Norcross

Sandy Starr


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