Sentences with phrase «other genetic differences»

This process — known as backcrossing — helps to remove the influence of any other genetic differences.
To make sure that the differences were really due to the DISC1 variation and not to other genetic differences, graduate student Ha Nam Nguyen spent two years making targeted genetic changes to three of the stem cell lines.
Because only some of the hybrids were fertile some of the time, Oliver says there must be some other genetic difference that distinguishes the two species.

Not exact matches

The second is slightly more friendly to non-science trained people but may still require some referencing of other sources to understand various details (e.g. the difference between mitochondrial and nuclear genetic sequencing).
The difference between Paleoamerican and modern Native American facial features is likely a combination of additional waves of migration from Siberia, via Beringia, and genetic drift, a gradual change in appearance and other traits as populations divide, migrate and adapt, says Jim Chatters, a Seattle - area anthropologist who led the multinational study of Naia.
It also sought to match epigenetic changes and genetic differences to the physical characteristics of each cell type and use this knowledge to understand how these can lead to blood disorders, cancer and other complex diseases.
Some women's biological clocks tick faster than others, and now, researchers have uncovered the first genetic evidence to explain differences in the length of women's fertile lives.
If there is any genetic basis at all to racial IQ test - score differences, it is indeterminate and poorly quantified, with recent studies estimating IQ heritability to be anywhere from nearly zero to over 80 percent, and strongly countered by other studies showing that environment counts most.
Further work showed that genetic differences affecting some of these characteristics are linked to increased risk of heart attack, or to rheumatoid arthritis and other common autoimmune diseases.
«In this sense, pending the collection of new samples of this new Mediterranean Osedax species to study its morphological characteristics, the only differences that we have been able to determine in relation to other species are genetic,» notes Sergi Taboada.
None of the other genetic groups could be subdivided, suggesting that there isn't enough genetic difference to distinguish people from northern versus southern Europe, for example.
Normally, sweet and bitter sensations suppress each other, so in foods and beverages, genetic differences in bitter perception can also influence perceived sweetness.
So, the new findings support the idea that genetic differences expressed early during brain development may have a lot to do with the development of bipolar disorder symptoms — and other mental health conditions that arise later in life, especially in the teen and young adult years.
Molecular biologist Matt Kaeberlein of the University of Washington in Seattle says the results are in line with work from his lab showing that slight differences in growth conditions, the genetic makeup of the yeast or other factors can change the outcome of the experiment.
The question of binge drinking patterns and mortality is far from solved, and there may be genetic differences or other covariates not yet discovered, which play a role and could explain the different empirical findings.»
After collecting information from school counselors about any social difficulties experienced by the girls, Skuse's group found that 40 % with the maternal X chromosome were likely to have problems at school, versus only 16 % of girls with the paternal X. «It seemed to us there could only be a genetic explanation for that,» Skuse says, because he says there were no other differences between the two sets of girls.
These maps, they say, will show everything from relative sizes of anatomical features to differences in brains associated with age, race, gender, educational background, genetic composition, and other distinguishing characteristics.
Another thing the team didn't consider was genetic differences among individuals: Some monkeys are naturally more susceptible to adversity whereas others are more resilient, he says.
Sudmant, a UW graduate student in genome sciences, said, «Gathering this data is critical to understanding differences between great ape species, and separating aspects of the genetic code that distinguish humans from other primates.»
The genetic differences were so large that the two populations might not be able to breed with each other.
By comparing the genetic differences with differences in silk properties, Hayashi's team has found that those motifs appear to influence strength, elasticity, and other features.
But the finding that all these genetic differences trigger the same cellular pathway provides hope for others.
Cancer researchers are just beginning to investigate the extent and significance of genetic differences among tumor cells — either cells within a discrete tumor or between a primary tumor and metastases in other parts of the body.
In some individuals there were significant genetic differences between tumor sites, suggesting early metastatic spread; in others, there was little difference between a primary tumor and its metastases.
Research has identified sex and genetic differences in gastrointestinal, cardiovascular and neurological systems, among others.
Other chapters apply this to the genetics of immune systems, the evolutionary benefits of sexual reproduction, genetic differences among human populations, the origin of life and more.
These genetic differences have often been blamed when chemotherapy or other treatments have been unsuccessful, as it was believed that the therapy may not have targeted all of the cells within the tumor.
Previous studies have suggested, among other things, that differences in dogs» ability to communicate are associated with variations in the genetic material located close to the gene that codes for the oxytocin receptor.
There is no doubt that most of the genetic differences between humans and other apes — and between different human populations — are due to genetic drift.
Fernández says that while «both studies support each other» in pointing to a sea route, the differences between them could be due to the genetic profiles of Middle Easterners having changed since ancient times.
To do that, we would need to know what was causing some individuals to leave more surviving descendants than others, and to be sure that that selection pressure would be maintained for hundreds or thousands of generations, and know what the genetic and phenotypic basis for the variance underlying these differences was.
Such genetic differences may explain why some people are more susceptible to mercury poisoning than others.
Meanwhile, other studies have found that language differences restricted gene flow in recent times in Europe, suggesting that cultural barriers might have limited genetic diversity more consistently than occasional local bottlenecks.
These mutations varied tremendously between populations, which counters a popular view that many of the differences between populations arose by chance or were genetic variants that hitchhiked along with other genes that improved reproductive success, says biological anthropologist Henry Harpending of the University of Utah, Salt Lake City, and co-author of another study of accelerated evolution.
There were small differences in the virus» genetic material compared to other samples of Zika virus, did they cause the virus to be exceptionally aggressive?
For this family and so many others who would come after them, Preimplantation Genetic Diagnosis is the difference between passing on a life - threatening disease and giving their children the best chance at a healthy, happy future.
(LA JOLLA, CA)-- February 11, 2016 — The J. Craig Venter Institute (JCVI) researcher Hernan Lorenzi, Ph.D., in collaboration with L. David Sibley, Ph.D., Washington University School of Medicine, and a team of international researchers have published a paper outlining key genetic differences in strains of Toxoplasma gondii which shed light into the biological and virulence differences between T. gondii strains and between other closely related parasites.
«The increase in genetic risk was independent of other known risk factors, suggesting that testing for multiple genetic differences is clinically useful to evaluate risk and guide management,» senior author Dr. Guillaume Paré, an associate professor of medicine at McMaster University and Hamilton Health Sciences in Hamilton, Canada, and the director of the Genetic and Molecular Epidemiology Laboratory, said in a stagenetic risk was independent of other known risk factors, suggesting that testing for multiple genetic differences is clinically useful to evaluate risk and guide management,» senior author Dr. Guillaume Paré, an associate professor of medicine at McMaster University and Hamilton Health Sciences in Hamilton, Canada, and the director of the Genetic and Molecular Epidemiology Laboratory, said in a stagenetic differences is clinically useful to evaluate risk and guide management,» senior author Dr. Guillaume Paré, an associate professor of medicine at McMaster University and Hamilton Health Sciences in Hamilton, Canada, and the director of the Genetic and Molecular Epidemiology Laboratory, said in a staGenetic and Molecular Epidemiology Laboratory, said in a statement.
From previous research on genetic instability, conducted by the Pearson lab and others, the researchers suspected that the dramatic difference between the mice might boil down to variances in one particular biological process, called mismatch repair, and more specifically one of its major players, the MSH3 protein.
This work presents a genomic analysis of the UM270 gene functions as compared to other available pseudomonad genomes, highlighting the genetic and functional differences between each strain of this group of fluorescent and plant growth - promoting bacteria.
The team's work highlights this by presenting a comprehensive view of genome evolution on many different levels (e.g., differences in ploidy, aneuploidy, genetic variants, hybridization, and introgressions) that is difficult to obtain at the same scale and accuracy for other eukaryotic organisms.
These regions, however, lie several hundred kilometers apart from each other and the generally high genetic difference between the populations does not suggest high rates of exchange.
Mosquitoes share some components of the sex determination pathway with other insects, but also have unique genetic controls that help establish the remarkable differences between males and females.
Our analysis infers areas where there's more genetic difference than you'd expect per unit of geographic distance, and other areas where there's less.
The striking differences observed in Themis1 - deficient rats of the BN and LEW genetic backgrounds suggest that an epistasis between Themis1 and other gene (s) controls Treg function.
Some athletes have saltier sweat than others due to simple genetic differences, diet, sweat rate, and heat acclimatization.
On the other hand, «a brisk one - hour daily walk reduced the genetic influence towards obesity, measured by differences in BMI by half.»
For her and countless other patients, things like chronic stress, poor diet, lack of exercise, inflammation, insulin resistance, infections, toxic exposure, and genetic differences mean these core nutritional imbalances have persisted for years or decades, inhibiting the body's ability to heal, recover, and remain healthy.
The «tight junction» problem is more of a problem in some people than others, and this difference is very much genetic.
An adaptation of R.J. Palacio's novel, director Stephen Chbosky, Steven Conrad, and Jack Thorne's screenplay does such a sympathetic job of communicating the story of a 10 - year - old boy, who was born with a genetic disorder that resulted in facial differences, that we aren't really considering the lives of the other characters on screen.
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