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Articles on DNA

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DNA analysis reveals that there are three populations of Antarctic blue whales. Paula Olson, courtesy of IWC

Antarctica’s blue whales are split into three distinct populations

Antarctica’s blue whales all feed in the same place. But a new genetic analysis suggests they are actually three separate populations that breed in different parts of the globe.
The cost-effectiveness and clinical utility of PGx tests is still uncertain. Canadian Blood Services/Flickr

Chemmart’s myDNA test offers more than it can deliver

When you enter a Chemmart pharmacy, it’s hard to miss the posters and brochures promoting its “revolutionary myDNA test”.
Slowly giving up its secrets. www.shutterstock.com

Is schizophrenia written in our genes?

Many of the genes and transcripts associated with schizophrenia are only found in humans, which makes studying the disorder difficult. But scientists are slowly making progress.
Men can deny paternity in when women they are involved with fall pregnant as a way of punishing the women. shutterstock

Why paternity tests should become cheaper and more widely accessible

When men deny the paternity of children, many South African women feel like they have no recourse. Making DNA tests affordable and accessible could change this.
A snip here, but not a snip there? DNA image via www.shutterstock.com

Why treat gene editing differently in two types of human cells?

The International Summit on Human Gene Editing drew a distinction between editing an individual’s body cells and editing germline cells that would pass changes to future generations. Does that make sense?
Gene editing allows us to eliminate any misspellings, introduce beneficial natural variants, or perhaps cut out or insert new genes. Libertas Academica/Flickr

Why we can trust scientists with the power of new gene-editing technology

Should the gathering of experts from around the world that’s considering the scientific, ethical, and governance issues linked to research into gene editing ring alarm bells?
Scientific evidence shows overwhelmingly that people across the world are genetic refugees from Africa. Shutterstock

How science has been abused through the ages to promote racism

Despite science refuting the existence of different human races, people have used “race” throughout history to divide and denigrate certain people while promoting their claims of superiority.

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