What is the most common chromosomal abnormality that causes Down syndrome?

a) one number 21 chromosome
b) two number 21 chromosomes
c) three number 21 chromosomes
d) absence of number 21 chromosomes

c

Psychology

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CERs are always negative

a. True b. False Indicate whether the statement is true or false

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Occupational burnout comes from excessive a. feelings of exploitation

b. disconnection from coworkers. c. underutilization. d. belief that one's job really doesn't matter to the company.

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