Chromosome 15 News and Research

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Humans normally have 46 chromosomes in each cell, divided into 23 pairs. Two copies of chromosome 15, one copy inherited from each parent, form one of the pairs. Chromosome 15 spans about 100 million base pairs (the building blocks of DNA) and represents more than 3 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 15 likely contains between 650 and 1,000 genes.

Genes on chromosome 15 are among the estimated 20,000 to 25,000 total genes in the human genome.
Genes that predispose to smoking behavior and lung cancer identified: More reason to quit say researchers

Genes that predispose to smoking behavior and lung cancer identified: More reason to quit say researchers

Study: Chromosomal microarray analysis detects genetic changes related to ASDs better than standard tests

Study: Chromosomal microarray analysis detects genetic changes related to ASDs better than standard tests

More evidence that genes increase a smokers' risk of lung cancer

More evidence that genes increase a smokers' risk of lung cancer

Closing gaps in the human genome using sequencing by synthesis

Closing gaps in the human genome using sequencing by synthesis

Discovery of link between genetic defect on chromosome 15 and epilepsy

Discovery of link between genetic defect on chromosome 15 and epilepsy

Missing DNA the culprit in epilepsy?

Missing DNA the culprit in epilepsy?

Genetic markers identified for alcohol response

Genetic markers identified for alcohol response

Discovery of new genetic links to psoriasis

Discovery of new genetic links to psoriasis

Genetic variations raise lung cancer risk for smokers and ex-smokers

Genetic variations raise lung cancer risk for smokers and ex-smokers

Prader-Willi syndrome - new genetic clues

Prader-Willi syndrome - new genetic clues

Discovery of chromosomal abnormality that appears to increase susceptibility to autism

Discovery of chromosomal abnormality that appears to increase susceptibility to autism

Loss of a small portion of chromosome 16 linked to autism

Loss of a small portion of chromosome 16 linked to autism

Cause of major subtype of glaucoma discovered

Cause of major subtype of glaucoma discovered

Specific gene on chromosome 15 regulates inflammation

Specific gene on chromosome 15 regulates inflammation

First evidence that complex genetic interactions account for autism risk

First evidence that complex genetic interactions account for autism risk

New genetic hypothesis for the cause of autism

New genetic hypothesis for the cause of autism