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

Scientists discover osmotic stress as stimulator of cellular waste disposal

Scientists discover osmotic stress as stimulator of cellular waste disposal

Researchers identify new protein complex that regulates chromosome separation

Researchers identify new protein complex that regulates chromosome separation

A metabolic enzyme drives B cell lymphomas and could be a potential drug target

A metabolic enzyme drives B cell lymphomas and could be a potential drug target

ACE inhibition in kidney could influence pathogenesis of SARS-CoV-2

ACE inhibition in kidney could influence pathogenesis of SARS-CoV-2

Tomocube holotomography microscopy reveals novel cholesterol membrane transport system in erythrocytes infected with fatal malaria parasite

Tomocube holotomography microscopy reveals novel cholesterol membrane transport system in erythrocytes infected with fatal malaria parasite

Evidence of link between ACE2 genotype and COVID-19 disease severity

Evidence of link between ACE2 genotype and COVID-19 disease severity

Blood types and COVID-19 risk confirmed

Blood types and COVID-19 risk confirmed

Persistent DNA damage in the placenta can affect embryonic growth

Persistent DNA damage in the placenta can affect embryonic growth

MGH researchers identify key mechanism in X chromosome inactivation

MGH researchers identify key mechanism in X chromosome inactivation

New insights on DNA replication can help develop novel cancer treatments

New insights on DNA replication can help develop novel cancer treatments

New Canadian study investigates how cancer adapts its metabolism to overcome therapies

New Canadian study investigates how cancer adapts its metabolism to overcome therapies

New images of LSD1 enzyme in action shed light on gene regulation

New images of LSD1 enzyme in action shed light on gene regulation

SARS-CoV-2 gene deletions may cause milder infections and increase human-to-human transmission

SARS-CoV-2 gene deletions may cause milder infections and increase human-to-human transmission

New studies provide insights into DNA crossovers in egg and sperm cells

New studies provide insights into DNA crossovers in egg and sperm cells

How COVID-19 affects people with Down Syndrome

How COVID-19 affects people with Down Syndrome

Blood group type may affect susceptibility to COVID-19 respiratory failure

Blood group type may affect susceptibility to COVID-19 respiratory failure

Researchers discover genetic cause of 'differences in sexual development'

Researchers discover genetic cause of 'differences in sexual development'

New genetic engineering technique sets the stage for advances in medicine and beyond

New genetic engineering technique sets the stage for advances in medicine and beyond

Targeted therapy pralsetinib shows high response rates in patients with RET fusion-positive cancers

Targeted therapy pralsetinib shows high response rates in patients with RET fusion-positive cancers

Study sheds light on homologous recombination of DNA strands

Study sheds light on homologous recombination of DNA strands