Chromosome 4 News and Research

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Humans normally have 46 chromosomes in each cell, divided into 23 pairs. Two copies of chromosome 4, one copy inherited from each parent, form one of the pairs. Chromosome 4 spans more than 191 million DNA building blocks (base pairs) and represents more than 6 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 4 likely contains between 1,300 and 1,600 genes.

Genes on chromosome 4 are among the estimated 20,000 to 25,000 total genes in the human genome.
Counting cells that ensure gene balance

Counting cells that ensure gene balance

Identity Swap: Finding the variants that human history has favoured

Identity Swap: Finding the variants that human history has favoured

Treatment of down syndrome in mice restores nerve growth in cerebellum

Treatment of down syndrome in mice restores nerve growth in cerebellum

New method to find new metabolites

New method to find new metabolites

Protein amplifies DNA injury signals - cues genetic repair mechanism to prevent tumors

Protein amplifies DNA injury signals - cues genetic repair mechanism to prevent tumors

TCF21 gene shown to be a tumor suppressor

TCF21 gene shown to be a tumor suppressor

X-linked agammaglobulinemia

X-linked agammaglobulinemia

Genetic cause of autism

Genetic cause of autism

Physiogenomic resources for rat models of heart, lung and blood disorders

Physiogenomic resources for rat models of heart, lung and blood disorders

Identification of gene in childhood kidney disease

Identification of gene in childhood kidney disease

Diabetes gene found in 40% of population

Diabetes gene found in 40% of population

DinB DNA polymerase is a key player in DNA repair

DinB DNA polymerase is a key player in DNA repair

St. Jude projects 90 percent cure rate for acute lymphoblastic leukemia

St. Jude projects 90 percent cure rate for acute lymphoblastic leukemia

Gene that increases risk for Alzheimer's disease

Gene that increases risk for Alzheimer's disease

DNA polymerase zeta gives cells with damaged DNA a new lease on life

DNA polymerase zeta gives cells with damaged DNA a new lease on life

Scientists describe phenomenon in the human genome called transcription-induced chimerism

Scientists describe phenomenon in the human genome called transcription-induced chimerism

New human embryonic stem cells grown in animal cell-free cultures

New human embryonic stem cells grown in animal cell-free cultures

World's deadliest malaria parasite cloaking gene revealed

World's deadliest malaria parasite cloaking gene revealed

Chromosome link found between alcohol addiction and smoking

Chromosome link found between alcohol addiction and smoking

Scientists discover how HIV infects healthy cells

Scientists discover how HIV infects healthy cells

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