Brand new site: http://www.anextrachromosome.com/

We are here to lift the lid on this little-known disorder and will help to inform and educate readers about its diagnosis, symptoms and treatment.

Each human body contains twenty-three pairs of chromosomes in each cell of the body. Each cell contains genes that determine our features, our colouring and our sex. Women have two x chromosomes – one from each parent. Men have an x chromosome from their mother and a y chromosome from their fathe...
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