Regarding Down Syndrome,which of the Following Statements Is FALSE

question 170

Multiple Choice

Regarding Down syndrome,which of the following statements is FALSE?

• A) The age of the parents is a major factor in Down syndrome.
• B) Down syndrome is caused by an extremely thin area occurring on the X chromosome.
• C) While Down syndrome is genetic, it is not usually hereditary (it doesn't "run in the family").
• D) Down syndrome causes moderate to severe intellectual disability and a shortened life expectancy of around 49 years.

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