Artículos sobre Genetics

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Australians can now have their say on the issues around mitochondrial donation. From shutterstock.com

3-parent IVF could prevent illness in many children (but it’s really more like 2.002-parent IVF)

Should Australia allow the creation of babies with DNA from more than two people? This reproductive technology could prevent babies being born with mitochondrial disease, so the simple answer is yes.
What happened to make plague able to cause devastating epidemics, as in this depiction from 1349? Pierart dou Tielt/Wikimedia

Plague was around for millennia before epidemics took hold – and the way people lived might be what protected them

People caught and died from plague long before it caused major epidemics like the Black Death in the middle ages. Could what scientists call cultural resistance be what kept the disease under control?
The talamanca hummingbird, or admirable hummingbird, is found in Costa Rica and Panama. Milan Zygmunt/Shutterstock.com

Not all genes are necessary for survival – these species dropped extra genetic baggage

How many genes do you really need? Are there any that we can lose? Researchers are now identifying species that have streamlined their genome to adapt to a particular lifestyle.
Miners working at Bersham Colliery near Wrexham in Wales, 1960. The National Archives UK/Flickr

Inequality now extends to people’s DNA

People who moved away from Britain's coal-mining areas have genetic profiles linked to higher educational attainment and better health than those who stayed.
CRISPR has many applications, including targeted gene therapy, but the precision of the technology still has a way to go. Shutterstock

Gene editing needs to become more precise to live up to its promise

CRISPR technology is continually improving to make it more specific, but serious consideration should be given to when and how CRISPR is safe for gene editing.
Having a hallucination or delusion doesn’t necessarily mean you have a mental health condition, such as schizophrenia. Tero Vesalainen/ Shutterstock

Psychotic experiences are quite common even among people who don’t have a mental health condition

As many as one in ten people will have a psychotic experience in their lifetime – and researchers now know your genes play a role.
Bill Maher suggests that fat-shaming may help people lose weight. Randy Miramontez/Shutterstock.com

Why Bill Maher is wrong about fat-shaming

Fat-shaming is as ineffective as it is cruel. The bullying tactic also ignores the biological factors underlying obesity, which are not always under a person's control.
Identical twins look the same, are the same sex, share the same birthday and shares the same genes. www.shuttershock.com

Curious Kids: why are some twins identical and some not?

Interestingly, there are more non-identical twins in Australia now than there have been before. The number of twin pregnancies has grown over the past 30 years.
More than 200 gene variants have been linked to outstanding sporting performance and this number could increase as we continue to research the link between genetics and athlete performance. Lukas Coch/AAP

Will the genetic screening of athletes change sport as we know it?

Genetic testing could help us build targeted and effective training routines for athletes, but the emerging science could also introduce opportunity for discrimination in the sporting world.

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