Which of the following is characteristic of an individual with Down syndrome?
A) The face of an individual with Down syndrome includes a head that is larger than normal and oval shaped.
B) Infants born with Down syndrome are missing an enzyme called phenylalanine hydroxylase.
C) Some of the characteristic features of people with Down syndrome include a flattened nose, small ears, small mouth,
And upward slanting eyes.
D) Individuals with Down syndrome reach full adult height around the age of 10.

Question

Quizplus · Accepted Answer

People with Down syndrome often have a distinct facial appearance that includes a flattened nose, small ears, small mouth, and upward slanting eyes. Their head shape may also be more round or flat than oval. Options A and B are incorrect as they do not accurately describe characteristics of Down syndrome. Option D is incorrect as individuals with Down syndrome typically reach full adult height around age 18-21, similar to individuals without Down syndrome.

Which of the Following Is Characteristic of an Individual with Down