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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 - 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 | 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 ...

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.

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

www.nads.org/

National Association for Down Syndrome ... NDSS Employment Survey The National Down Syndrome Society invites adults with Down syndrome (ages 18 and ...

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

www.medicalnewstoday.com/articles/145554.php

Apr 22, 2016 ... Down syndrome (or Down's syndrome) is a chromosomal disorder caused by an error in cell division that results in an extra 21st chromosome.

Welcome to the Down Syndrome International (DSi) 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 | March of Dimes

www.marchofdimes.org/complications/down-syndrome.aspx

Down syndrome is a chromosomal disorder that causes intellectual disability and other health problems. Get the facts on treatment options for your child.

Down Syndrome: Practice Essentials, Background, Pathophysiology

emedicine.medscape.com/article/943216-overview

May 5, 2016 ... Down syndrome is by far the most common and best known chromosomal disorder in humans and the most common cause of intellectual ...

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
More Info

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

6 days ago ... Down syndrome is a chromosomal condition that is associated with intellectual disability, a characteristic facial appearance, and weak muscle ...

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

www.webmd.com

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