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

Targeted therapy achieves durable objective responses Phase I/II LIBRETTO-001 trial

Targeted therapy achieves durable objective responses Phase I/II LIBRETTO-001 trial

Estradiol appears to help in female SARS-CoV-2 infection

Estradiol appears to help in female SARS-CoV-2 infection

Researchers solve a long-held mystery of X chromosome inactivation

Researchers solve a long-held mystery of X chromosome inactivation

Genes on the X chromosome may be key to melanoma survival advantage in females

Genes on the X chromosome may be key to melanoma survival advantage in females

Study sheds new light on mechanisms of cohesin function involved in cancer and cardiac development

Study sheds new light on mechanisms of cohesin function involved in cancer and cardiac development

TRA-1 gene determines the sex of roundworms

TRA-1 gene determines the sex of roundworms

Genetic variant in Japanese population increases risk of interstitial lung disease among RA patients

Genetic variant in Japanese population increases risk of interstitial lung disease among RA patients

DHODH inhibitor PTC299 shows potential as a COVID-19 therapeutic

DHODH inhibitor PTC299 shows potential as a COVID-19 therapeutic

COVID-19 should be treated as an acute inflammatory disease, Massey scientist says

COVID-19 should be treated as an acute inflammatory disease, Massey scientist says

Study reveals molecular cause underlying rare genetic disorder

Study reveals molecular cause underlying rare genetic disorder

Researchers use new approach to unravel the mechanisms that lie behind tetraploidy

Researchers use new approach to unravel the mechanisms that lie behind tetraploidy

Researchers identify TLR7 gene that predisposes elderly patients to severe COVID-19

Researchers identify TLR7 gene that predisposes elderly patients to severe COVID-19

New technology could speed up drug discovery to fight tuberculosis

New technology could speed up drug discovery to fight tuberculosis

Neo-self antibody could be a major cause of recurrent pregnancy loss

Neo-self antibody could be a major cause of recurrent pregnancy loss

Neuroscientists map brain's sensory gatekeeper in unprecedented detail

Neuroscientists map brain's sensory gatekeeper in unprecedented detail

Researchers identify specific target sites for DNA methylases

Researchers identify specific target sites for DNA methylases

Advanced cryo-EM imaging reveals high-resolution structure of viral RNA replication complex

Advanced cryo-EM imaging reveals high-resolution structure of viral RNA replication complex

New test uses a single drop of blood to rapidly detect radiation sickness

New test uses a single drop of blood to rapidly detect radiation sickness

Nix gene can help develop future mosquito control techniques

Nix gene can help develop future mosquito control techniques

Overzealous guardians in the cells could increase cancer risk

Overzealous guardians in the cells could increase cancer risk