Humans normally have 46 chromosomes in each cell, divided into 23 pairs. Two copies of chromosome 6, one copy inherited from each parent, form one of the pairs. Chromosome 6 spans about 171 million base pairs (the building blocks of DNA) and represents between 5.5 percent and 6 percent of the total DNA in cells.
Identifying genes on each chromosome is an active area of genetic research. Because researchers use different approaches to predict the number of genes on each chromosome, the estimated number of genes varies. Chromosome 6 likely contains between 1,100 and 1,600 genes.
Genes on chromosome 6 are among the estimated 20,000 to 25,000 total genes in the human genome.
Malaria kills a child every thirty seconds in Sub-Saharan Africa, according to recent estimates. It is a huge problem currently threatening over 40% of the world’s population and still on the increase.
Inactivation of a "tumor suppressor" gene could be a major cause of a class of blood cancers called diffuse large B-cell lymphomas, reports a team of researchers at the Weill Medical College of Cornell University.
Researchers attempting to reproduce a controversial 2003 mouse experiment suggestive of a cure for type 1 diabetes have found evidence that the experimental procedure does eliminate diabetic symptoms in a small fraction of the mice exposed to it.
Researchers have been able to confirm most but not all of the results of a high-profile study that brought new hope to diabetes patients. This study provides a boost for efforts to reverse type-1 diabetes in recently diagnosed patients but not for efforts to grow new islets from spleens.
Recent research at the European Molecular Biology Laboratory (EMBL) reveals new insights into how cells achieve equality between the sexes.
Chemists at Harvard University have developed the first technique providing a real-time, molecule-by-molecule "movie" of protein production in live cells.
University of Michigan scientists have found a common genetic variation in an immune system gene that makes people much more likely to develop psoriasis - a disfiguring inflammatory skin disease.
Scientists here have discovered a previously unknown mechanism that cells use to fight off the human immunodeficiency virus (HIV), the cause of AIDS.
It has been well documented that, across human cultures and in most mammals, males are usually more aggressive and less nurturing than females.
Scientists at Prince Henry's Institute, Melbourne, and the University of California, Los Angeles, have discovered that SRY, the male protein that forms the testes is also produced in the brain region affected in Parkinson's disease.
By comparing the DNA of 150 pairs of men who share British surnames, researchers have shown that about a quarter of pairs are linked genetically.
Shaped by much previous research, the prevailing view regarding sex-specific differences in the brain is that they are caused by circulating sex hormones, which are generated outside the brain and influence certain aspects of brain development, as well as brain function in adults.
X chromosome dosage compensation does occur in germ cells. A study published today in the open access journal Journal of Biology reveals that expression of the genes on the X chromosome is doubled in Drosophila germ cells to compensate for the missing second X chromosome.
Basal-like breast cancers (BLC) are highly aggressive tumors with a relatively poor prognosis that account for approximately 15% of sporadic human breast cancer.
X chromosome dosage compensation does occur in germ cells. A study published today in the open access journal Journal of Biology reveals that expression of the genes on the X chromosome is doubled in Drosophila germ cells to compensate for the missing second X chromosome.
Brown University biologists have uncovered intriguing evidence to support the theory that old cells help make old bodies. In a study of baboons, scientists showed that as these animals age, the number of aging cells in their skin significantly increases.
The two ends of human DNA have different structures that are treated differently as a cell divides, UT Southwestern Medical Center researchers have found in a study that could help lead to cancer therapies.
Scientists have determined the detailed structure of an essential piece of the telomerase enzyme, an important contributor to the vast majority of human cancers. Understanding the physical shape of the protein has led to a better understanding of how it acts to immortalize cells - and should help scientists design broadly effective cancer drugs.
Bioscientists from the University of Kent have called for clinical trials to further investigate how traditional Chinese medicine (TCM) may have a positive effect on sperm genetic abnormalities, and thereby influence the success rate of male infertility treatment.
Two are one too many - this is the motto used by cells of a female organism: These contain two X chromosomes, one of which always becomes inactivated.
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