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.

Further Reading

Study sheds new light on impact of common plasticizer on human reproductive health

Study sheds new light on impact of common plasticizer on human reproductive health

Common genetic defect in prostate cancer associated with worse prognosis

Common genetic defect in prostate cancer associated with worse prognosis

Dog study suggests that AAV in gene therapy could induce cancer

Dog study suggests that AAV in gene therapy could induce cancer

Drug trial seeking treatment option for hyperphagia in patients with Prader-Willi Syndrome

Drug trial seeking treatment option for hyperphagia in patients with Prader-Willi Syndrome

Inserting end-modified DNA fragments with CRISPR-Cas9 yields highest efficiency

Inserting end-modified DNA fragments with CRISPR-Cas9 yields highest efficiency

New, faster and cheaper method to uncover genetic variants in single cells

New, faster and cheaper method to uncover genetic variants in single cells

Researchers develop powerful computer algorithm for large-scale genomic analysis

Researchers develop powerful computer algorithm for large-scale genomic analysis

Extrachromosomal circular DNA can contribute to cancer development in children

Extrachromosomal circular DNA can contribute to cancer development in children

Tackling antibiotic resistance head-on with CRISPR

Tackling antibiotic resistance head-on with CRISPR

Precision epigenome editing can repair genetic syndrome of intellectual disability

Precision epigenome editing can repair genetic syndrome of intellectual disability

UCLA scientists discover reason for higher rates of autoimmune disease in women than men

UCLA scientists discover reason for higher rates of autoimmune disease in women than men

Epigenome editing could repair genetic brain disorder

Epigenome editing could repair genetic brain disorder

Genetic alteration increases risk of Autism and Tourette's impacts on the brain

Genetic alteration increases risk of Autism and Tourette's impacts on the brain

Combination therapy is safe and effective for older patients diagnosed with acute lymphoblastic leukemia

Combination therapy is safe and effective for older patients diagnosed with acute lymphoblastic leukemia

Kanazawa University researchers describe genetic typing of Pseudomonas putida

Kanazawa University researchers describe genetic typing of Pseudomonas putida

New discovery on chromosomal function may shed light on human health and disease

New discovery on chromosomal function may shed light on human health and disease

Tulane neuroscientist receives $2.9 million NIH grant to launch the Telomere Research Network

Tulane neuroscientist receives $2.9 million NIH grant to launch the Telomere Research Network

New vaccine against bovine TB

New vaccine against bovine TB

Extra DNA scooped up alongside cancer-causing genes helps drive tumor growth

Extra DNA scooped up alongside cancer-causing genes helps drive tumor growth

Research team publishes findings from study of TAF1 syndrome

Research team publishes findings from study of TAF1 syndrome