Chromosome 3 News and Research

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Humans normally have 46 chromosomes in each cell, divided into 23 pairs. Two copies of chromosome 3, one copy inherited from each parent, form one of the pairs. Chromosome 3 spans almost 200 million base pairs (the building blocks of DNA) and represents approximately 6.5 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 3 likely contains between 1,100 and 1,500 genes.

Genes on chromosome 3 are among the estimated 20,000 to 25,000 total genes in the human genome.
Evidence that abnormally short telomeres play a role in the early development of cancer

Evidence that abnormally short telomeres play a role in the early development of cancer

Researchers have identified the first gene linked to the productivity of the stem cells that produce sperm in mammals

Researchers have identified the first gene linked to the productivity of the stem cells that produce sperm in mammals

Researchers have identified the first gene linked to the productivity of the stem cells that produce sperm in mammals

Researchers have identified the first gene linked to the productivity of the stem cells that produce sperm in mammals

Genome research sheds light on Bardet-Biedl syndrome

Genome research sheds light on Bardet-Biedl syndrome

Scientists believe that the dog genome holds a wealth of information that will benefit human health

Scientists believe that the dog genome holds a wealth of information that will benefit human health

Discovery of the gene for Cornelia de Lange syndrome

Discovery of the gene for Cornelia de Lange syndrome

Want a new type of man? Maybe less brawn and more brains?

Want a new type of man? Maybe less brawn and more brains?

Chromosome losses can signal an especially poor response to therapy

Chromosome losses can signal an especially poor response to therapy

New way by which cells can become cancerous may solve mystery with lung cancer

New way by which cells can become cancerous may solve mystery with lung cancer

Researchers find an entirely new way by which cells can become cancerous

Researchers find an entirely new way by which cells can become cancerous

Completion of the most gene-rich of all the human chromosomes

Completion of the most gene-rich of all the human chromosomes

Study sheds new light on children with a severe form of acute lymphoblastic leukemia

Study sheds new light on children with a severe form of acute lymphoblastic leukemia

Developing smart drugs

Developing smart drugs

Scientists have discovered a genetic cause of cleft lip and palate in mice

Scientists have discovered a genetic cause of cleft lip and palate in mice

Transplanted bone-marrow cells could regenerate nerve cells in the brain

Transplanted bone-marrow cells could regenerate nerve cells in the brain

Lou Gehrig’s disease gene discovered

Lou Gehrig’s disease gene discovered

Clinical trial of enzyme replacement therapy for the treatment of Gaucher disease

Clinical trial of enzyme replacement therapy for the treatment of Gaucher disease

New techniques to search the yeast genome for genes that help keep copied chromosomes together

New techniques to search the yeast genome for genes that help keep copied chromosomes together

New method that will revolutionize the search for genes

New method that will revolutionize the search for genes

New information on genetic shuffling before egg or sperm formation rewrites genetic theory

New information on genetic shuffling before egg or sperm formation rewrites genetic theory