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

Whole-genome sequencing is a more comprehensive prenatal test l BGI Perspectives

Whole-genome sequencing is a more comprehensive prenatal test l BGI Perspectives

Research reveals how whole-genome sequencing may enhance detection of fetal CNS anomalies

Research reveals how whole-genome sequencing may enhance detection of fetal CNS anomalies

New breakthrough in understanding how deletion of certain genes can lead to cancer growth

New breakthrough in understanding how deletion of certain genes can lead to cancer growth

What parents need to know about prenatal tests | BGI Perspectives

What parents need to know about prenatal tests | BGI Perspectives

Surprising discovery in people of Polynesian ancestry offers clues to genetic underpinnings of high cholesterol

Surprising discovery in people of Polynesian ancestry offers clues to genetic underpinnings of high cholesterol

Study identifies genetic variation that influences lithium-induced neural proliferation

Study identifies genetic variation that influences lithium-induced neural proliferation

Study reveals why viral infections are less frequent but more severe in individuals with Down syndrome

Study reveals why viral infections are less frequent but more severe in individuals with Down syndrome

The role of oxidative stress in congenital syndromes

The role of oxidative stress in congenital syndromes

EPFL and UTHSC researchers explore the interplay between genes, sex, growth, and age

EPFL and UTHSC researchers explore the interplay between genes, sex, growth, and age

Newly identified mechanism may explain why women are more vulnerable to Alzheimer's disease

Newly identified mechanism may explain why women are more vulnerable to Alzheimer's disease

ASU scientists discover an unusual RNA biogenesis pathway

ASU scientists discover an unusual RNA biogenesis pathway

The sexual dimorphisms in the epidemiology and pathophysiology of obesity

The sexual dimorphisms in the epidemiology and pathophysiology of obesity

Yourgene Health Receives HSA approval for IONA Nx NIPT Workflow in Singapore

Yourgene Health Receives HSA approval for IONA Nx NIPT Workflow in Singapore

Debunking ‘man flu’

Debunking ‘man flu’

New discovery changes the understanding of Duchenne muscular dystrophy

New discovery changes the understanding of Duchenne muscular dystrophy

Study finds telomeres can set damage thresholds for cancer cells above which they cannot continue to divide

Study finds telomeres can set damage thresholds for cancer cells above which they cannot continue to divide

Study identifies genetic variation linked with posterior urethral valves in males

Study identifies genetic variation linked with posterior urethral valves in males

Cell's anti-aging structures can set the damage threshold a cancer cell can sustain, study shows

Cell's anti-aging structures can set the damage threshold a cancer cell can sustain, study shows

New mechanism may prevent the natural aging of immune cells

New mechanism may prevent the natural aging of immune cells

Experimental drug prolongs survival, improves muscle function in mice severe Duchenne muscular dystrophy

Experimental drug prolongs survival, improves muscle function in mice severe Duchenne muscular dystrophy