Multiple Choice
What is the cause of Down syndrome?
A) an extra chromosome on the 21st pair
B) an extra X chromosome on the 23rd pair
C) neurotransmitter excesses
D) neurotransmitter deficiencies
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q28: Which sense is the LEAST functional at
Q64: Which of the following describes the fetal
Q71: In a wealthy _ family in _,
Q77: Dizygotic twins develop when a fertilized egg
Q95: Several weeks of diagnostic tests have revealed
Q106: At what stage of moral development is
Q120: Conservation is the knowledge that an object
Q122: Jean Piaget is noted for his theory
Q167: The cellular-clock theory of aging suggests that
Q184: In a _ design, one group of