Which of the following statements is true about Down syndrome?
A) The symptoms of Down syndrome are severe and are mostly similar for every person.
B) An individual with Down syndrome has a head that is larger than normal and oval shaped.
C) Down syndrome is the most common cause of birth defects in humans.
D) Individuals with Down syndrome reach full adult height around the age of 10.

Question

Quizplus · Accepted Answer

Down syndrome is the most common chromosomal disorder in humans and it is caused by the presence of an extra copy of chromosome 21. The condition occurs in approximately 1 in 700 births. The symptoms of Down syndrome can vary widely among individuals and can range from mild to severe. There is no one set of symptoms that are common to all individuals with Down syndrome. While some individuals with Down syndrome may have a larger head size, this is not true for every person. Individuals with Down syndrome also typically reach full adult height at around the same age as their peers without the condition.

Which of the Following Statements Is True About Down Syndrome