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

Transplanted bone-marrow cells could regenerate nerve cells in the brain

Transplanted bone-marrow cells could regenerate nerve cells in the brain

Lou Gehrig’s disease gene discovered

Lou Gehrig’s disease gene discovered

Clinical trial of enzyme replacement therapy for the treatment of Gaucher disease

Clinical trial of enzyme replacement therapy for the treatment of Gaucher disease

New techniques to search the yeast genome for genes that help keep copied chromosomes together

New techniques to search the yeast genome for genes that help keep copied chromosomes together

New method that will revolutionize the search for genes

New method that will revolutionize the search for genes

New information on genetic shuffling before egg or sperm formation rewrites genetic theory

New information on genetic shuffling before egg or sperm formation rewrites genetic theory

Extensive gene traffic, the process of genes leaving and arriving on the chromosome

Extensive gene traffic, the process of genes leaving and arriving on the chromosome

Scientists discover gene for Parkinson's disease

Scientists discover gene for Parkinson's disease

Genetic mutation raises interesting questions about the evolution of the Y chromosome

Genetic mutation raises interesting questions about the evolution of the Y chromosome

Autism gene discovered

Autism gene discovered

Surprises found In gene variation associated with schizophrenia

Surprises found In gene variation associated with schizophrenia

Researchers isolate gene responsible for Chron's disease

Researchers isolate gene responsible for Chron's disease

Completion of the sequencing of human chromosome 19

Completion of the sequencing of human chromosome 19

Launch of The Oxford Genetics Knowledge Park by Matt Ridley

Launch of The Oxford Genetics Knowledge Park by Matt Ridley

How rat's genetic blueprint stacks up against those of mice and humans

How rat's genetic blueprint stacks up against those of mice and humans

Gene-rich human Chromosome 19 sequence completed

Gene-rich human Chromosome 19 sequence completed

Discovery of new gene sheds light on human brain development

Discovery of new gene sheds light on human brain development

Scientists identify blood development gene which may aid the fight against cancer and leukemia

Scientists identify blood development gene which may aid the fight against cancer and leukemia

Gene Responsible for The Most Common Form of Diabetes

Gene Responsible for The Most Common Form of Diabetes

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