Sentences with word «gene»

A gene is a small segment of our DNA that carries information about a specific trait or characteristic that is passed down from parents to their children. Genes serve as the basic units of inheritance and play a crucial role in determining our physical attributes and even some of our behaviors or susceptibilities to certain diseases. Full definition
The target of selection is normally the individual who carries an ensemble of genes of certain kinds.
These animals also showed corresponding changes in genes in their spinal cord.
It's the first time scientists have shown in selectively bred animals that the propensity for addiction is linked to differences in expression of genes for specific molecules in a specific brain region.
For instance, protein and DNA modifications involved in gene expression in kidneys must at some point be turned off.
And because each cell has its own unique set of mutations, we can not solve them with the methods of gene therapy in the adult organism either today or tomorrow.
A plant breeder discovers his experimental crops have been «contaminated» with genes from a neighboring field.
If you can't see the parents, how can you tell whether they might have passed on genes for an unhealthy structure or rotten teeth or bad temperament?
In some cases, the missing pieces can be picked up by comparing the new sequences with known sequences of genes from other species.
I think that this study suggests that our physiology — at least as captured by gene expression in our blood cells — may be fairly plastic in response to changes in our social environment.
Remember, too, that use of gene pools in other countries has become increasingly easier and more frequent.
Individuals typically respond differently to a given medication depending on which gene mutation they carry.
Searching for genes involved in the disorder, they have focused mainly on the 10 % of cases that seem to be inherited.
Human gene editing therapies are OK in certain cases, panel advises.
In particular, they are now looking for expertise in molecular biology, especially in virus - based techniques for introducing new genes into specific cell types in the grid - cell circuit.
Looking at other genes known to be involved in hearing, they and other researchers found several others whose proteins were similarly changed in these mammals.
Their goal is a database that will help them examine how specific gene variants affect health.
Now, researchers have discovered a handful of new gene variants responsible for this palette of tones.
A virus that has shown promise as a vector for human gene therapy causes liver tumors in neonatal mice.
This particular community includes many genes associated with risk for autism.
Several other gene sequences found in the water and the ice came from pigs, chickens and cows.
The researchers used the worm's genomic information to study how gene expression changed during regeneration.
Once there, efficient targeted gene editing takes place.
The same gene responsible for their white fur coloring controls their eye color.
And we could explore when it would be smart to use gene drives, if ever, and when they'd be a colossal mistake.
The federal government is launching a very different kind of cancer study that will assign patients drugs based on what genes drive their tumors rather than the type.
This metaphor is also a way of looking at gene regulation.
B: Well, we were in the midst of experiments aiming to use an animal virus to introduce new genes into human cells and into bacterial cells.
A new study has found strong evidence that tobacco use can chemically modify and affect the activity of genes known to increase the risk of developing cancer.
This significantly increases the number of proteins a single gene codes for, and is thought to explain much of the complexity in higher - order organisms.
The high overall activity of resistance genes did not cause any negative effects for the development of the wheat or its yield.
Government officials come from the same gene pool as every other human and may believe that a person or a company has engaged in intentional wrongdoing.
If the technique proves effective, the researchers say, it might be used for treating other types of diseases caused by single gene mutations.
The desire of the host to acquire antibiotic resistance genes from its guest could have driven this chain of events, he says.
Far from being junk, it's where molecular switches that help control gene activity are located.
But many biologists also believe that genetic maps, which mark spots where DNA differs from one person to another, will prove critical in finding gene mutations linked to disease.
However, the combined effects of many different genes cause most variation among individuals.
These small differences in DNA sequence, or genetic variation, may or may not affect gene function.
In the genetic analysis, there were no differences in the caffeine - related genes between the two groups.
The researchers determined that the virus did indeed activate many genes involved in the immune response.
It all comes down to a process called gene regulation.
Living cells express genes involved in physiological functions like development and metabolism via complex mechanisms.
In part, that's because it's so hard to track the vehicles carrying gene therapies.
But evidence is piling up that wholesale exchanges of genetic material — called lateral gene transfers — can quickly create entirely new species.
An active international research has been carried out for several years in order to identify candidate genes which explain the origin and development of the disease.
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