Multiple Choice
Down syndrome is a disorder of varying severity caused by
A) prenatal viral infections.
B) parental neglect during infancy.
C) an extra copy of chromosome 21.
D) a lack of sufficient oxygen at the time of birth.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q22: The stability of children's intelligence test scores
Q23: A cross-sectional study is research that<br>A) follows
Q24: "Gifted child" programs can lead to _
Q25: Researchers assessed the stability of SAT scores
Q26: Terman observed that children with IQ scores
Q28: A person's ability to reason speedily and
Q29: To be diagnosed with an intellectual disability,guidelines
Q30: Which of the following terms refers to
Q31: Which of the following was NOT one
Q32: When Luke was 17 years old,his intelligence