Regarding Down Syndrome,which of the Following Statements Is FALSE

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

A) Down syndrome children are usually loving and responsive and have a moderate to severe intellectual disability.
B) If a mother is in her late 40s when she becomes pregnant, she has a one in 12 chance of giving birth to a child with Down syndrome.
C) In a small percentage of cases the father is the source of the extra chromosome.
D) Down syndrome tends to occur more often in males than females.