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.
Cellular recycling process may prevent cancer initiation, finds study

Cellular recycling process may prevent cancer initiation, finds study

Study sheds new light on male infertility

Study sheds new light on male infertility

New research focuses on noise sensitivity and general fearfulness of canine behavior

New research focuses on noise sensitivity and general fearfulness of canine behavior

Experimental drug can positively modify key characteristic behavior in FXS patients

Experimental drug can positively modify key characteristic behavior in FXS patients

Scientists aim to find genetic causes of developmental abnormalities in the vagina and uterus

Scientists aim to find genetic causes of developmental abnormalities in the vagina and uterus

Unexpected connection found between feeding and memory centers of the brain

Unexpected connection found between feeding and memory centers of the brain

Researchers discover how cancer cells avoid genetic meltdown

Researchers discover how cancer cells avoid genetic meltdown

Researchers identify genetic risk factor for atypical heart attack in women

Researchers identify genetic risk factor for atypical heart attack in women

European scientists aim to identify causes of dementia

European scientists aim to identify causes of dementia

Researchers uncover genes that play a key role in the inactivation of X chromosomes

Researchers uncover genes that play a key role in the inactivation of X chromosomes

New compound blocks genetic cause of familial ALS and frontotemporal dementia

New compound blocks genetic cause of familial ALS and frontotemporal dementia

Folate deficiency creates more damaging chromosomal abnormalities than previously known

Folate deficiency creates more damaging chromosomal abnormalities than previously known

Geneticists discover how sex-linked disorders arise

Geneticists discover how sex-linked disorders arise

MUHC's 'Dr. House' discovers new genetic disease and the gene responsible for it

MUHC's 'Dr. House' discovers new genetic disease and the gene responsible for it

Study reveals how the absence of Dna2 enzyme affects chromosome instability

Study reveals how the absence of Dna2 enzyme affects chromosome instability

New massive sequencing platform implemented for double factor preimplantation genetic testing

New massive sequencing platform implemented for double factor preimplantation genetic testing

Researchers reveal previously unknown genetic effect that can raise or reduce risk of heart disease

Researchers reveal previously unknown genetic effect that can raise or reduce risk of heart disease

Using molecular targeting approach to kill melanoma cells

Using molecular targeting approach to kill melanoma cells

A love of coffee and tea is mostly genetic

A love of coffee and tea is mostly genetic

Researchers identify molecule to fight myotubular myopathy

Researchers identify molecule to fight myotubular myopathy