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Down syndrome

en.wikipedia.org/wiki/Down_syndrome

Down syndrome or Down's syndrome (DS or DNS), also known as trisomy 21, is a genetic disorder caused by the presence of all, or part of a third copy of ...

What Is Down Syndrome? - National Down Syndrome Society

www.ndss.org/Down-Syndrome/What-Is-Down-Syndrome/

Down syndrome occurs when an individual has a full or partial extra copy of chromosome 21.

Down syndrome - Mayo Clinic

www.mayoclinic.org/diseases-conditions/down-syndrome/basics/definition/con-20020948

Down syndrome is a genetic disorder caused when abnormal cell division results in extra genetic material from chromosome 21. This genetic disorder, which ...

Down syndrome: MedlinePlus Medical Encyclopedia

medlineplus.gov/ency/article/000997.htm

In most cases, Down syndrome occurs when there is an extra copy of chromosome 21. This form of Down syndrome is called trisomy 21. The extra chromosome ...

National Association for Down Syndrome | Serving the Down ...

www.nads.org/

National Association for Down Syndrome ... More than Down Syndrome Fall 2. ... children, teens and adults with Down syndrome to participate in the National ...

Down Syndrome - Symptoms, Causes, Diagnosis and Treatment ...

www.webmd.com/children/tc/down-syndrome-topic-overview

Down syndrome is a lifelong condition in which a person is born with distinct physical features and some degree of cognitive disability.

Down Syndrome | Birth Defects | NCBDDD | CDC

www.cdc.gov/ncbddd/birthdefects/downsyndrome.html

Mar 3, 2016 ... Down syndrome is a condition in which a person has an extra chromosome. Chromosomes are small “packages” of genes in the body. Babies ...

Welcome to the Down Syndrome International website! | Down ...

ds-int.org/

International federation of Down Syndrome organizations, seeking funds to assist people with Down syndrome in less developed countries.

Down Syndrome: Facts, Symptoms, and Characteristics - Medical ...

www.medicalnewstoday.com/articles/145554.php

Jul 4, 2016 ... Down syndrome is a chromosomal disorder caused by an error in cell division that results in an extra 21st chromosome. The condition leads to ...

Learning About Down Syndrome - National Human Genome ...

www.genome.gov/19517824/learning-about-down-syndrome/

People who have Down syndrome have learning difficulties, mental retardation, a characteristic facial appearance, and poor muscle tone (hypotonia) in infancy.

Answer
Down Syndrome
Down syndrome is a genetic abnormality that occurs due to an extra copy of chromosome 21. It causes lifelong developmental delays that can range from moderate to severe. It cannot be cured but can be managed with educational interventions, specialized parenting techniques, and community engagement. These all can encourage a person with Down syndrome to develop life skills and social bonds. Many Down syndrome patients live past the age of 50. More »
Source: healthline.com
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Down Syndrome - KidsHealth

kidshealth.org

Down syndrome is a condition in which extra genetic material causes delays in the way a child develops, both physically and mentally.

Down syndrome - Genetics Home Reference

ghr.nlm.nih.gov

Sep 20, 2016 ... Down syndrome is a chromosomal condition that is associated with intellectual disability, a characteristic facial appearance, and weak muscle ...

Down Syndrome: MedlinePlus

medlineplus.gov

Jul 22, 2016 ... Down syndrome is a condition in which a person is born with an extra copy of chromosome 21. People with Down syndrome can have physical ...