Multiple Choice
___ occurs when there is an extra chromosome in the 21?? pair of chromosomes.
A) Down syndrome
B) Sickle-cell anemia
C) Listeria
D) PKU
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q142: Which of the following terms refers to
Q143: Which of the following is true about
Q144: Most of the major systems of the
Q145: How is a sequential design different from
Q146: Which of the following examples shows a
Q148: As early as our 40's and 50's,we
Q149: What term refers to the biologically-based tendency
Q150: What pattern does brain and body development
Q151: Suppose someone doesn't successfully resolve the conflict
Q152: Describe the authoritarian parenting style as defined