Down's Syndrome

The video explains Down syndrome, a genetic disorder caused by an extra copy of chromosome 21 due to nondisjunction during meiosis. It discusses the physical and cognitive characteristics of individuals with Down syndrome, the increased risk of health issues, and the impact of maternal age on the likelihood of having a child with the condition. The video also covers genetic testing options and the ethical considerations surrounding them, particularly in countries like Iceland where screening is common. The global incidence rate is about 1 in 1,000 births.

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