Down Syndrome: Symptoms & Causes

Down syndrome is a genetic condition where a person has an extra copy of chromosome 21 for a total of 47 chromosomes instead of 46.

Down syndrome - Symptoms and causes - Mayo Clinic - Down syndrome

डाउन सिंड्रोम के लक्षण, कारण, इलाज, दवा, उपचार - Down Syndrome Syndrome, symptoms, cause, treatment, diagnosis, medicine in Hindi

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Huntington's Disease: Causes and Risk Factors

डाउन सिंड्रोम के लक्षण, कारण, इलाज, दवा, उपचार - Down Syndrome Syndrome, symptoms, cause, treatment, diagnosis, medicine in Hindi

Do people with Down Syndrome really look great , honestly? - Quora

डाउन सिंड्रोम के लक्षण, कारण, इलाज

Down's Syndrome: Causes, Symptoms, And Treatment - Tata 1mg Capsules

Down syndrome - Wikipedia

Down syndrome - Symptoms and causes - Mayo Clinic

Down Syndrome: Causes, Types, and Symptoms