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Articles on Genetics

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Fruit bats have honed their sweet tooth through adaptive evolution. Keith Rose/iStock via Getty Images Plus

Why don’t fruit bats get diabetes? New understanding of how they’ve adapted to a high-sugar diet could lead to treatments for people

Fruit bats can eat up to twice their body weight in fruit a day. But their genes and cells evolved to process all that sugar without any health consequences − a feat drug developers can learn from.
Researchers are zeroing in on understanding what goes awry in the brains of people with Alzheimer’s disease. Tek Image/Science Photo Library via Getty Images

Alzheimer’s disease is partly genetic − studying the genes that delay decline in some may lead to treatments for all

Despite decades of starts and stops, new treatments and key genetic discoveries are giving researchers great hope for slowing or eventually preventing Alzheimer’s disease.
Pharmacogenetic testing is a form of precision medicine, using your genes to personalize your care. D3Damon/E+ via Getty Images

Can at-home DNA tests predict how you’ll respond to your medications? Pharmacists explain the risks and benefits of pharmacogenetic testing

Genetic testing can help take the guesswork out of finding the right treatment. For certain diseases. To an extent.
As an animal model, the zebrafish offers many advantages that save researchers time and money. Uri Manor/NICHD via Flickr

Zebrafish are a scientist’s favorite for early-stage research – especially to study human blood disorders

Of the many qualities that make the zebrafish a model organism, the fact that it shares 70% of the genes humans have makes it an ideal candidate for developmental biology research.
The same amino acid can be encoded by anywhere from one to six different strings of letters in the genetic code. Andrzej Wojcicki/Science Photo Library via Getty Images

Your genetic code has lots of ‘words’ for the same thing – information theory may help explain the redundancies

Many of the amino acids that make up proteins are encoded by genetic material in more than one way. An information theorist explains how principles of nature may account for this variance.
For many people with fragile X, the mutated gene that causes symptoms is active rather than silenced. Thom Leach/Science Photo Library

Fragile X syndrome often results from improperly processed genetic material – correctly cutting RNA offers a potential treatment

Fragile X syndrome is the most common inherited form of intellectual disability. Using short bits of DNA to fix improperly transcribed genes may one day be a potential treatment option.

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