Which Statement About Down Syndrome Is Correct

question 19

Multiple Choice

Which statement about Down syndrome is correct?

• A) Down syndrome is caused by a third copy of chromosome 21.
• B) Down syndrome is usually associated with chromosomal nondisjunction in meiosis.
• C) Characteristics of Down syndrome include stubby fingers and a palm crease.
• D) Individuals affected with Down syndrome display mental impairment.
• E) All of the answer choices are correct about Down syndrome.