How trustworthy is your dog's DNA test?
Lila is a registered purebred beagle, but depending on what company does her DNA testing, she might be part rottweiler, part American foxhound, or not a beagle at all.
Lila is a registered purebred beagle, but depending on what company does her DNA testing, she might be part rottweiler, part American foxhound, or not a beagle at all.
Veterinary medicine
Mar 9, 2024
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Wageningen researchers have discovered a molecular self-destruct mechanism in a bacterium living on seaweed. With this mechanism the bacteria sacrifice themselves when they are infected, thus protecting their brothers and ...
Cell & Microbiology
Feb 16, 2024
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Climate change is a threat to polar bear's survival. Now they have a new deadly challenge facing them: bird flu. It was recently confirmed that a polar bear from northern Alaska has died from the disease.
Plants & Animals
Jan 16, 2024
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In a first-of-its-kind study of aardvarks, Oregon State University researchers spent months in sub-Saharan Africa collecting poop from the animal and concluded that aridification of the landscape is isolating them, which ...
Plants & Animals
Dec 18, 2023
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When a sweet corn breeder reached out in 2021 to report severe injury from the herbicide tolpyralate, Marty Williams hoped it was a fluke isolated to a single inbred line.
Molecular & Computational biology
Dec 13, 2023
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A team of zoologists and wildlife managers at the Endangered Wildlife Trust, in South Africa, working with a colleague from Stellenbosch University, another with South Africa's Department of Agriculture, and a third from ...
ETH researchers are shedding light on what can happen when cells exceed their normal size and become senescent. The new findings could help to optimize cancer therapies.
Cell & Microbiology
Nov 17, 2023
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An international team of biologists, animal management specialists, geneticists and forestry managers has discovered a new species of "dragon lizard" in Laos—one with very impressive camouflage capabilities. In their paper ...
Next time you see a fox when out walking with your dog, pause for a moment and ponder their relatedness. Dogs and foxes are distinct but distantly related canine species.
Plants & Animals
Sep 28, 2023
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151
Monash University researchers supporting Zoos Victoria to breed the Critically Endangered Helmeted Honeyeater with another subspecies to improve genetic health and fitness, have found that the benefits of such genetic mixing ...
Ecology
Aug 9, 2023
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Genetic testing allows the genetic diagnosis of vulnerabilities to inherit diseases, and can also be used to determine a person's ancestry. Normally, every person carries two copies of every gene, one inherited from their mother, one inherited from their father. The human genome is believed to contain around 20,000 - 25,000 genes. In addition to studying chromosomes to the level of individual genes, genetic testing in a broader sense includes biochemical tests for the possible presence of genetic diseases, or mutant forms of genes associated with increased risk of developing genetic disorders. Genetic testing identifies changes in chromosomes, genes, or proteins. Most of the time, testing is used to find changes that are associated with inherited disorders. The results of a genetic test can confirm or rule out a suspected genetic condition or help determine a person's chance of developing or passing on a genetic disorder. Several hundred genetic tests are currently in use, and more are being developed.
Since genetic testing may open up ethical or psychological problems, genetic testing is often accompanied by genetic counseling.
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