Sentences with phrase «on a chromosome»

This type of study tries to locate a specific gene on a chromosome in the human body.

The gene was mapped to a small region on chromosome 18, which previous studies have suggested may play a role in blood pressure regulation in humans, mice and rats.

The researchers focused on a gene located on chromosome 15, which was previously shown to impact protein concentration.

These genes are carried at specific locations on each chromosome.

They found a genetic variant on chromosome 9 that was much more common in people who had suffered a heart attack.

Previous research had hinted that genetic changes to a particular stretch of DNA on chromosome 4 offered some protection against malaria.

This gene is found on chromosome 14 and is mainly active in the thyroid, but also the brain.

Once this happens, the receptor enters the nucleus of its cell and attaches to specific spots on the chromosomes that contain all of the cell's genetic coding.

Those are the protective caps on your chromosomes that determine how your cells age.

In order to work, the DNA material on each chromosome pair must come together and create a complete gene.

By identifying genetic markers that are linked to the trait, progressively more precise areas on a chromosome are defined until the gene is identified.

The problem was that researchers couldn't direct the packet to the proper place on the chromosomes.

In most species, specific cohorts of genes tend to be close together on the chromosome.

In all, the researchers were able to position more than 1000 markers on the chromosome that will help them and others hunt for useful genes.

Neither blue nor brown eyes (a gene somewhere on chromosome 15) are normal.

The research team showed that extra genetic material on chromosome number 8 caused the condition in two families from Manchester.

The genes present on chromosomes are mixed extensively in every generation, making them a crude guide.

There they serve to protect the genetic information carried on the chromosomes.

The presence of additional modifying variants was suggested on chromosomes 3, 5 and 21; but the associations were not strong enough to be statistically significant.

First, they determined how repair proteins failed to recognize and act on chromosome breaks during cell division.

However, a similar gene on another chromosome plays a role in some forms of male infertility.

Which parent a chromosome comes from is important because the activity of some genes varies depending on whether the genes are on a chromosome inherited from the mother or from the father.

They hit pay dirt on chromosome 10, finding such a marker in a region with several genes thought to affect heart function.

For the first time, scientists have shown that a genetic element on one chromosome may direct gene activity on another chromosome.

Their genomes contain an incredible amount of mobile elements — DNA that can move around on chromosomes, among organisms and even between species.

Some very rare cats have barely been studied, so the jury is still out on their chromosome count.

But additional chunks of chromosomes also associate with the condition, including at least two to three large regions on chromosome 5.

From that data, they found 33 locations on the genome that seem to be under strong selection pressure for resistance, with a hot spot located on chromosome 13.

In any case, it is important to remember that these two (D and B) are on two different locations on the chromosome.

The combined data improved the strength of the associations with the two chromosome 15 variants and revealed another significant variant on chromosome 8.

A gene is the DNA - plus - protein at a particular spot on the chromosome.

But in a closer study of 73 families researchers found a region of genes on chromosome eight in those with perfect pitch and from European ancestry.

Scientists have located an area on chromosome 4 linked to exceptional longevity, a new report says.

Scientists first reported a link between a surplus of genetic material on chromosome 15 and autism in 1994, a finding that has since been replicated and confirmed to be a copy number variation.

Hybrid sterility locus on chromosome X controls meiotic recombination rate in mouse.

These studies are typically based on chromosome capture techniques that require many nuclei and provide a static picture of the chromosome organization in the nucleus.

Christiano's lab found that the sisters had a common mutation on chromosome 17, right in the area of the human nude gene.

In order to replicate its entire DNA, that is to say nearly 6.4 billion pairs of nucleotides in just a few hours, the cell organizes the preparation of this process at thousands of sites on each chromosome simultaneously.

Biologists and informatics experts are launching a quiet revolution aimed at building better genomes, one made possible by newer sequencing technologies, novel methods for locating sequences on chromosomes, and improved software for piecing DNA together.

Some genes have a variety of different forms, which are located at the same position on a chromosome; an allele is such a variant form of a gene.

Genes that are grouped together on chromosomes in other animals were dispersed in the octopus genome, likely as a result of transposon activity.

Deletion of the fission yeastpot1 + gene has an immediate effect on chromosome stability, causing rapid loss of telomeric DNA and chromosome circularization.

DNA sequences that lie near each other on chromosomes exhibit gene linkage and are usually inherited together, even though they may be unrelated in function.

Dr Siddharth Banka, Clinical Senior Lecturer at the Manchester Centre for Genomic Medicine, who led the study, explained: «Our team has identified that this new syndrome is caused by a small deletion on chromosome 6 that affects the function of hypothalamus, a region of the brain that plays a number of important roles in the body.»