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5 hours ago · Down syndrome or Down's syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [3] It is usually associated with developmental delays, mild to moderate intellectual disability, and characteristic physical features. [1] [12] There are three types of Down syndrome, the ...
- Third copy of chromosome 21
- Mostly at conception, rarely after fertilization
1 day ago · Off the Air is an American psychedelic anthology television series that aired on Adult Swim.Every episode is composed of surreal videos of different media and purposes – animated and live-action short films, clips from feature films and other television series, stock videos, music videos, abstract loops – presented continuously and in succession.
1 day ago · 765.5 ha (1,892 acres) Istanbul [a] is the largest city in Turkey, straddling the Bosporus Strait, the boundary between Europe and Asia. It is considered the country's economic, cultural and historic capital. The city has a population of over 15 million residents, comprising 19% of the population of Turkey, [4] and is the most populous city in ...
