Regarding Down Syndrome,which of the Following Statements Is FALSE

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

A) The older a women is when she become pregnant, the greater her risk of giving birth to a child with Down syndrome.
B) In a small percentage of cases, an older father is the source of the extra chromosome.
C) Down syndrome is a hereditary condition, that is, it tends to run in families.
D) Down syndrome causes moderate to severe intellectual disability and a shortened life expectancy of around 49 years.

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