To Laius, King of Thebes, an oracle foretold that the child born to him by his queen Jocasta would slay his father and wed his mother. One of the lesser breed should feel honoured that a member of the holy race that was born to inherit life eternal should deign even to notice him.
Down syndrome survival. The life expectancy of people with Down syndrome increased dramatically between 1960 and 2007. In 1960, on average, persons with Down syndrome lived to be about 10 years old. In 2007, on average, persons with Down syndrome lived to be about 47 years old. [Read summary] Many factors can affect how long a person with Down syndrome lives. Sometimes infants with Down syndrome are born weighing less than 1,500 grams, or about 3.3 pounds.
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. It is typically associated with physical growth delays, characteristic facial features, and mild to moderate intellectual disability. The average IQ of a young adult with Down syndrome is 50, equivalent to the mental age of an 8- or 9-year-old child, but this can vary widely.