Question 12 (1 point) Which of the following statements regarding Down syndrome is true? The typical physical characteristics are present at birth Down syndrome is an autosomal recessive disorder The exact extent of cognitive impairment is known at birth The birth of a child with Down syndrome is never a risk to mothers over age 35 All children with Down syndrome have the same organ defects and medical problems
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It is not an autosomal recessive disorder. Show more…
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Which of the following statements about Down syndrome is/are true? Select one: a. A child with Down syndrome has 47 chromosomes instead of 46. b. Down syndrome occurs in one out of every 900 births. c. More children with Down syndrome are born to mothers over the age of 35. d. All of these. e. Symptoms of a child with Down syndrome include specific facial features.
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