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Articles on Genetics

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What matters more when it comes to intelligence: nature or nurture? Brain image from www.shutterstock.com

Are genes really the reason more poor kids do badly at school?

A news report recently informed readers that the reason children from poorer backgrounds struggle is due to genetic “inherited abilities”. According to the article, a new Productivity Commission report…
RNA is similar to DNA in lots of ways. But an extra oxygen atom makes all the difference. Image from shutterstock.com

Explainer: what is RNA?

Our genetic material is encoded in DNA (deoxyribonucleic acid). DNA is famous. But you may also have also heard of RNA (ribonucleic acid). So, what is RNA, and what is it good for? Quite a lot really…
Three metres of DNA is looped and folded so it fits into a tiny human cell nucleus, but what other effects does this have? dullhunk

Kinky genes: how we fit three metres of DNA into a cell nucleus

When scientists first decided to sequence the human genome, it seemed an impossibly large and complicated challenge. A decade since achieving this aim, scientists are faced with a similarly overwhelming…
At least I’m not French … oh, wait. Mark Richards/PA

Will-I-Am Indian, but does it matter?

The front-page of The Times carried a story today that William could be “Britain’s first king to have proven Indian ancestry”. The story continues inside, along with an advert for the personal DNA testing…
The Times claimed today that Prince William has Indian ancestors. Vincent Lyon-Dalberg-Acton

Attention The Times: Prince William’s DNA is not a toy

An ancestor of Prince William’s from the 19th century was half Indian, according to The Times. This claim is based on analysis of his distant cousins’ DNA. We have such technology today, but how comfortable…
The genetic mutation causes hearing to deteriorate in the late teens or early twenties and get progressively worse with age. Image from shutterstock.com

Genetic mutation causes deafness – now researchers know how

Australian researchers have uncovered the mechanism by which a rare genetic mutation causes premature deafness in people in their early twenties, paving the way for early detection for this type of hearing…
The humble fruit fly: teaching us more about melanoma skin cancer. Flickr/John Tann

Genes help spread of shape-shifting skin cancer cells

Melanomas may be less common than other skin cancers but their ability to become malignant and spread to other parts of the body makes them some of the deadliest if not caught early. More than 10,000 people…
Mice have revealed many of biology’s secrets. Stuart Read/APN

Animals in research: mice

Our series, Animals in Research, profiles the top organisms used for science experimentation. Here, we look at a species familiar to most: Mus musculus, or the mouse. Mice have been close companions of…
The key to becoming the dominant species on the planet. Gabriel-Alexandre Decamps

What makes us human: genetics, culture or both?

In Kubrick’s masterpiece, 2001: A Space Odyssey, a group of our ape-like ancestors encounter a towering black rectangle somewhere in an African desert. Something in them changes. A seed is sown. Everything…
Children are getting their (mis)information about some scientific concepts from mass media sources. Genetics image from www.shutterstock.com

‘You catch criminals with DNA’: What kids know (and don’t know) about genetics

“DNA is your blood in you, we can use DNA as evidence if someone’s been stabbed. We can run tests in suspects.” (Girl, 12, central Queensland) “DNA has to do with blood types and fingerprints, it helps…
Dad? Hans S

Are you a Viking? Yes, but so is everyone else

In our lab we have a phone that rings several times a day. The conversation is always the same. A man from somewhere in the UK is desperate to know the answer to one question: “Am I a Viking?” An answer…
Can our knowledge of genetics allow us to one day breed happier animals? Reema Rattan

Genomics in the future: a glimpse at the Future Farm

A leading molecular biologist and her children are visiting Sydney’s Royal Easter Show, but it’s 2053 now and things are slightly different. “Will there be chickens at the Easter Show?” asks Emily, the…
Genes aren’t the be-all-and-end-all - there are other factors that influence you. Cayusa

Are you a mutant? Genes matter, but there’s more to life …

Are you a mutant? Am I? The advent of personal genomics makes this question less like a Marvel Comics story idea than it did in the past. But, as Spiderman’s uncle Ben might have put it: with great power…
We have plenty of resources that could stop us falling off the edge. Chris Philavanh

Can we resolve the ‘peak everything’ problem?

With world population exceeding seven billion, there is renewed interest in the limits to growth concept first articulated by the Club of Rome in the 1970s. How can a growing population with growing affluence…
The definition of the word gene has evolved as our knowledge has advanced. Katy.Tresedder

Explainer: what is a gene?

There’s a very confusing exchange in Lewis Carroll’s Through the Looking Glass: “When I use a word,” Humpty Dumpty said, in rather a scornful tone, “it means just what I choose it to mean—neither more…
The use of the term “junk DNA” has always been controversial. Nick Kidd

Not dead yet: junk DNA is back

A controversy at last: most of our DNA is junk, no it isn’t, yes it is. Actually, I think it is – up to 90% really is junk. Last year The Conversation published an article with an exciting headline: Human…

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