News tagged with genetic variation
'Personality genes' may help account for longevity
"It's in their genes" is a common refrain from scientists when asked about factors that allow centenarians to reach age 100 and beyond. Up until now, research has focused on genetic variations that offer a physiological advantage ...
Genetics
May 24, 2012 |
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Male fertility genes discovered
A new study has revealed previously undiscovered genetic variants that influence fertility in men. The findings, published by Cell Press on May 24th in the American Journal of Human Genetics, shed much-needed light on hum ...
Genetics
May 24, 2012 |
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New genetic method pinpoints geographic origin
(Medical Xpress) -- Understanding the genetic diversity within and between populations has important implications for studies of human disease and evolution. This includes identifying associations between genetic variants ...
Genetics
May 24, 2012 |
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Genetic marker may predict smoking quantity in African Americans
In a step toward understanding possible genetic differences in smoking behaviors, a team of researchers co-led by SRI International has identified a genetic marker associated with smoking quantity in people of African ancestry. ...
Psychology & Psychiatry
May 22, 2012 |
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'Rare' genetic variants are surprisingly common, life scientists report
(Medical Xpress) -- A large survey of human genetic variation, published today in the online version of the journal Science, shows that rare genetic variants are not so rare after all and offers insights into h ...
Genetics
May 18, 2012 |
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Abundance of rare DNA changes following population explosion may hold clues to common diseases
One-letter switches in the DNA code occur much more frequently in human genomes than anticipated, but are often only found in one or a few individuals.
Pediatrics
May 17, 2012 |
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Common genetic variants identify autism risk in high risk siblings of children with ASD
By focusing on the identification of common genetic variants, researchers have identified 57 single nucleotide polymorphisms (SNPs) that predict—with a high degree of certainty--the risk that siblings of children with ...
Autism spectrum disorders
May 17, 2012 |
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New evidence that many genes of small effect influence economic decisions and political attitudes
Genetic factors explain some of the variation in a wide range of people's political attitudes and economic decisions – such as preferences toward environmental policy and financial risk taking – but most associations ...
Genetics
May 15, 2012 |
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Researchers identify key genes and prototype predictive test for schizophrenia
An Indiana University-led research team, along with a group of national and international collaborators, has identified and prioritized a comprehensive group of genes most associated with schizophrenia that together can generate ...
Genetics
May 15, 2012 |
4.7 / 5 (3) |
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As population exploded, more rare genes entered human genome
(Medical Xpress) -- As the Earth's human population has skyrocketed since the rise of agriculture some 10,000 years ago -- to 7 billion people from a few million -- so, too, has the number of rare genetic variants.
Genetics
May 11, 2012 |
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Gifts of the MAGI in schizophrenia and bipolar disorder
These findings are not about the classic story of gift-giving, although the MAGI genes (officially named membrane associated guanylate kinase, WW and PDZ domain containing proteins) do influence brain function in important ...
Psychology & Psychiatry
May 10, 2012 |
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Blood test could show women at risk of Postnatal Depression
(Medical Xpress) -- Researchers at Warwick Medical School have discovered a way of identifying which women are most at risk of postnatal depression (PND) by checking for specific genetic variants. The findings could lead ...
Psychology & Psychiatry
May 10, 2012 |
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Researchers say genes and vascular risk modify effects of aging on brain and cognition
Efforts to understand how the aging process affects the brain and cognition have expanded beyond simply comparing younger and older adults.
Neuroscience
May 09, 2012 |
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Eye color may indicate risk for serious skin conditions
Eye color may be an indicator of whether a person is high-risk for certain serious skin conditions. A study, led by the University of Colorado School of Medicine, shows people with blue eyes are less likely to have vitiligo. ...
Genetics
May 06, 2012 |
4.6 / 5 (10) |
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Researchers identify genetic systems disrupted in autistic brain
Autism has a strong genetic basis, but so far efforts to identify the responsible genes have had mixed results. The reason for this is that autism is influenced by many different genes, and different genes are involved in ...
Genetics
May 01, 2012 |
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Genetic variation
Genetic variation, variation in alleles of genes, occurs both within and among populations. Genetic variation is important because it provides the “raw material” for natural selection.
For more information about Genetic variation, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
