Cold Spring Harbor Laboratory
Your Genes, Your Health: Down Syndrome
Key facts about Down Syndrome are available on this page--just roll over the icons. For more detailed information, use the left navigation to explore causes, diagnosis, treatment, and more.
Other
Trisomy 21: The Story of Down Syndrome
Written by a physician who has a child with Down Syndrome, this article reviews basic genetics and explains the occurrence of Down Syndrome as a result of nondisjunction in cell division. Includes normal and Down karyotypes....
American Association for Clinical Chemistry
Lab Tests Online: Down Syndrome
This informative site explains what this congenital condition is, and delves into the different types of testing to diagnose this chromosome defect.
University of Utah
University of Utah: Genetic Science Learning Center: Examples of Aneuploidy
Only a few types of aneuploidy are compatible with life. Use this drop-down menu to understand more about common genetic disorders resulting from monoploidy and polyploidy, such as Down Syndrome. Learn features of the disorder, see how...
Other
Science.ca: Irene Ayako Uchida
Irene Ayako Uchida is a Canadian geneticist famous for her research into the chromosomal abnormality that indicates Down Syndrome. This is both a biographical profile, with a short video interview, as well as an explanation of the...
University of Utah
University of Utah: Genetic Science Learning Center: Examples of Single Gene Disorders
Use this drop-down menu to explore singe gene disorders such as Cystic Fibrosis, Huntington Disease, Sickle Cell, and more. Learn the symptoms and features of the disease, how to treat and/or manage the disease, and links to additional...
Other
First Signs: Other Developmental Disorders
Although developmental and behavioral disorders are increasingly widespread, they are still poorly understood by most of society. The lack of knowledge is further compounded by the stigma that often accompanies a diagnosis of a...
BiologyWise
Biology Wise: What Is Nondisjunction and What Are Its Effects?
Nondisjunction is when homologous chromosomes or sister chromatids fail to separate normally during cell division. What it is and how this happens are explained here, as well as what can cause it and what impact it has on human health.
Center for Parent Information and Resources
Nichcy Publications: Disability Information
Here are fact sheets on disabilities, available in text or PDF, English or Spanish. Each offers characteristics of the disability, tips for teachers and parents, and lists of related resources.
Center for Parent Information and Resources
Nichcy Publications: Disability Information
Here are fact sheets on disabilities, available in text or PDF, English or Spanish. Each offers characteristics of the disability, tips for teachers and parents, and lists of related resources.
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