Sentences with phrase «gene on a chromosome»

A further mystery is whether the order of genes on a chromosome and the spacing between them influence their functions.

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

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

A well - studied example of a human gene is the ACE gene on chromosome 17, which seems to predict physical performance.

The earlier «discovery» of a suspect gene on chromosome 11 turned out to be wrong.

If a gene for a particular mental illness is being searched for, researchers identify an already - recognized gene on the chromosome and label that as a marker.

By identifying linked genes, researchers can build up a picture of the relative positions of genes on chromosomes.

However, these studies didn't home in on any specific genes on this chromosome.

When the researchers compared the mRNA to a library of DNA sequences taken from the dendrites of neurons by James Eberwine of the University of Pennsylvania Medical Center, they found that it came from a single gene on chromosome X — the human version of which, when mutated, leads to fragile - X syndrome.

Alzheimer's disease is likely due to a defective gene on chromosome 21.

A team led by Anna Biason - Lauber, of University Children's Hospital in Zurich, Switzerland, thinks the patient's normalcy is due to mutations in a poorly understood gene on chromosome 17 called CBX2.

Rudolph Tanzi of Massachusetts General Hospital in Boston and Ellen Wijsman of the University of Washington, Seattle, both say that they have checked large databases and have found «no evidence» of an AD gene on chromosome 12.

To learn more, Zanders and her colleagues used genetic mapping to reveal the complex landscape of multiple meiotic drive genes on chromosome 3 of S. kambucha.

About 4 percent of people in the study carried one of these two rare variants, which are located in the vicinity of the MGST1 gene on chromosome 12.

They found 3491 matching chunks, but only 1229 corresponded to known genes on chromosome 21.

In this analysis, which appears in the March 17 JAMA, an international research team also detected a third genetic variant, this one in the neighborhood of the IL16 gene on chromosome 15.

Newly developed approaches that use CRISPR / Cas9 gene editing technology can generate offspring that carry copies of the altered gene on both chromosomes — a phenomenon called super-Mendelian inheritance that, in theory, should quickly convert an entire population.

They found that the number of copies of lncRNA genes on a chromosome consistently change in 12 different cancer types and lncRNA genes are widely expressed in cancer cells.

Located in a cell's nucleus, histones are protein complexes that act like genetic spools wound with genes on chromosomes.

Scientists investigated Williams syndrome or WS, a rare genetic condition caused by deletion of one copy of 25 contiguous genes on chromosome 7, out of an estimated 30,000 genes in the brain.

Likewise, one version of the APOE gene on chromosome 19 predicts the likelihood of a boxer suffering from premature Alzheimer's disease.

Huntington's disease is an hereditary disorder of the nervous system caused by a faulty gene on chromosome four.

In 2004 Guilherme Neves and Andrew Chess, now at the Center for Human Genetic Research at Massachusetts General Hospital, tracked the roles played by other genes on chromosome 21 — in this case using a fruit fly as the model.

The Science paper, by developmental biologist Ethan Bier and his student Valentino Gantz at the University of California, San Diego, used CRISPR to insert a modification into genes on both chromosomes in a pair, so that when the flies bred, they would pass the modification on to practically all of their offspring.

In the October issue of Nature Genetics, Siddique's team writes that a mutated gene on chromosome 2 common to both families encodes a novel protein they dubbed alsin.

The results, which point to the same gene on chromosome 9 fingered by deCODE, held up in five more groups of people in the U.S. and Denmark.

Multiple genes on chromosome 21 are associated with individual differences in plasma levels of beta amyloid peptides in adults with Down syndrome

Genome mapping is used to identify and record the location of genes and the distances between genes on a chromosome.

Finally, and this is very cool, the authors observed high - level organization of the regions repressed by H3K27me3 and H3K9me3, visualized here across the region of the DCC tumor suppressor gene on chromosome 18:

A subset of ALCL tumors carries chromosomal aberrations involving the anaplastic lymphoma kinase (alk) gene on chromosome 2p23 resulting in ALK overexpression (2).

A previously known SNP in the SLC45A2 gene on chromosome 5 was confirmed to confer risk of squamous cell carcinoma as well as BCC.

Wake Forest Baptist researchers are the first to report that unidentified genes on chromosomes 18 and 3 are linked to severe kidney damage in younger blacks with diabetes.

Miller N, Fadl M, Mohamed HS, Elzein A, Jamieson, Cordell, Peacock, Fakiola, Khalil EAG, Elhassan AM, Musa, Ibrahim ME, Blackwell JM (Submitted) Y chromosome lineages tagvillage specific genes on chromosomes 1p22 an 6q27 that control leishmaniasis in the Sudan.

Human type 1 diabetes is principally a disease of Caucasians, and the major genetic susceptibility is linked to the major histocompatibility complex alleles on the leukocyte antigen gene on chromosome 6p, although many other genes contribute (74).

The only dogs that will display the autosomal recessive condition are the third group, because these dogs have a copy of the recessive gene on both chromosomes.

In Angelman's syndrome a child receives two copies of genes on chromosome 15 from his or her father, and a single inactivated copy of those genes from his or her mother.

In the 1990s, researchers traced the cause of a particularly rare type of headache called familial hemiplegic migraine — which is passed in families as a dominant trait — to a single gene on chromosome 19.

Our genome is nearly identical to the chimpanzee genome, a little less identical to the gorilla genome, a little less identical to the orangutan genome, and so on — and this correspondence is present in ways that are not needed for function (such as the location of shared genetic defects, the order of genes on chromosomes, and on and on).

AN EXTRA copy of a gene on chromosome 21 may explain why people with Down's syndrome are less likely to get breast and lung cancer than the rest of the population.

Scientists can compare and contrast the set of genes on each chromosome — passed down from each parent — and extrapolate this process back through the generations.

A gene on chromosome 21 called DSCR1 is involved in controlling tumour growth.

After demonstrating the existence of several genes that control indefinite cell division, she, a grad student named Yi Ning, and their colleagues found a candidate for one of those genes on chromosome 4.

That's in contrast to the impact of a gene on chromosome 20 that increased protein concentration but also significantly decreased yields in soybean varieties.

In one experiment with human cells, a guide RNA should have led the Cas9 enzyme only to a gene on chromosome 2 (yellow bar), but it also directed the enzyme to many off - target sites (red) on several other chromosomes.

«We found that this gene on chromosome 15 consistently increased protein concentration,» ayssays Diers.

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.