HomeMedicine & HealthDiseases & Conditions (continued)What is Down Syndrome?
Medicine & Health·2 min·Updated Mar 15, 2026

What is Down Syndrome?

Down Syndrome

Quick Answer

This condition is a genetic disorder caused by the presence of an extra chromosome 21. It results in developmental delays and physical features that are characteristic of the syndrome.

Overview

Down Syndrome is a genetic condition that occurs when a person has an extra copy of chromosome 21. This extra genetic material affects a person's development, leading to various physical and intellectual challenges. Individuals with Down Syndrome often have distinct physical features, such as a flat facial profile and almond-shaped eyes, and they may experience delays in speech and motor skills. The presence of an extra chromosome alters the way the body and brain develop, which can lead to a range of health issues, including heart defects and digestive problems. Early intervention, such as therapy and educational support, can help improve outcomes for individuals with Down Syndrome. For example, many children with this condition benefit from speech therapy, which can help them communicate more effectively and build social skills. Understanding Down Syndrome is important not only for those directly affected but also for society as a whole. Awareness can foster acceptance and inclusion, encouraging communities to support individuals with this condition. As more people learn about Down Syndrome, they can help create environments that celebrate diversity and provide the necessary resources for individuals to thrive.


Frequently Asked Questions

Down Syndrome is caused by an extra copy of chromosome 21, which can occur during cell division in the early stages of development. This genetic change can happen randomly and is not typically inherited from parents.
Diagnosis of Down Syndrome can happen before birth through prenatal testing or after birth through physical examinations and genetic testing. Doctors look for specific physical traits and confirm the diagnosis with a chromosomal analysis.
Individuals with Down Syndrome can access various supports, including special education programs, speech and occupational therapy, and community resources. These services aim to help them develop skills and lead fulfilling lives.