The protective caps at the ends of chromosomes naturally shorten over time. Researchers found that direct damage can prematurely trigger senescence and contribute to age-related diseases like cancer.
Millions of people do not fit neatly into male or female sex designations at birth, and wrong identification can set them up for a lifetime of physical and mental harm.
Our genomes are built from the tiny chromosomes of a small spineless creature that lived 684 million years ago.
Miscarriage occurs in 15% to 25% of diagnosed pregnancies, bringing heartache to millions of women, many of whom blame themselves. In most cases, however, miscarriage is due to random genetic errors.
The first full human genome was sequenced 20 years ago. Now, a project is underway to sequence 1 million genomes to better understand the complex relationship between genetics, diversity and disease.
Perceptions about the role of sperm have changed over time, but asexual reproduction doesn’t need sperm for fertilization.
This new research shows that cognitive impairments are actually caused by extra copies of some genes on chromosome 21.
Women aged over 35 are sometimes offered genetic testing of their IVF embryos to rule out abnormalities. But it’s expensive and doesn’t increase their chance of a baby. In fact, it could reduce it.
Parkinson’s disease is twice as common in men than in women. A sex gene called SRY, found only in men, could go some way to explaining this – and might pave the way for potential treatments.
Athlete Caster Semenya will need to take hormone-lowering agents, or have surgery, if she wishes to continue her career in her chosen events. But the decision to ban her is flawed on many grounds.
16p11.2 deletion or duplication syndrome occurs in three out of every 10,000 people.
Mathematical models can describe the many shapes of DNA, as well as cellular processes like DNA replication.
They were discovered over 100 years ago – but we still don’t know exactly what genes are.
Research shows that the Y chromosome may be able to protect itself from extinction in the short term. But what about in a future where we all reproduce artificially?
Improvements in survival rates for acute myeloid leukaemia have failed to keep pace with other leukaemias. That may be about to change.
New mouse model study sheds light on why alcohol is so harmful.
Like it or not, evidence now shows that men and women differ genetically far more profoundly that we previously recognised. An analysis from the 2017 winner of the Prime Minister’s Prize for Science.
The 2017 Prime Minister’s Science Prize winner is genetic researcher Professor Jenny Graves, well known for her 2002 suggestion that the male Y chromosome will self-destruct.
A study in mice shows it is possible to delete extra chromosomes in a range of conditions that are associated with infertility, including Down’s syndrome.
Releasing just 100 mice carrying a faulty gene designed to stop them reproducing can remove an entire population of 50,000, a new study shows, paving the way for new eradication efforts.