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Down syndrome

en.wikipedia.org/wiki/Down_syndrome

Down 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 chromosome 21.

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 - KidsHealth

kidshealth.org/en/parents/down-syndrome.html

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

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 - Genetics Home Reference

ghr.nlm.nih.gov/condition/down-syndrome

Down syndrome is a chromosomal condition that is associated with intellectual disability, a characteristic facial appearance, and weak muscle tone (hypotonia) ...

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 ...

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

www.nads.org/

National Association for Down Syndrome. Home; About ... 6th Annual Walk for Down in th... September ... 2016 Down Syndrome Awareness Yard Signs. July 17  ...

Down Syndrome Association of West Michigan: Home

dsawm.org/

Welcome! The Down Syndrome Association of West Michigan strives to create communities that embrace Down syndrome, empower individuals and promote ...

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.

Learning About Down Syndrome

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.

Answers
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