Which of the following statements concerning Down syndrome is FALSE?
A) Down syndrome is also referred to as Trisomy 21.
B) In Down syndrome there is a defective gene on the X chromosome.
C) Down syndrome is the single most common genetic cause of mental retardation.
D) In Down syndrome babies are born with an extra 21st chromosome.
B) In Down syndrome there is a defective gene on the X chromosome.
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____ is the basis for categorization; categorization is the basis for ____
a. Deferred imitation; animism b. Animism; deferred imitation c. Mental representation; language d. Language; mental representation
The hormone __________ is produced in ________, which some scientists speculate may lead to differences in male and female brain structure, and later variations in gender-related behavior(s)
a) serotonin; males b) serotonin; females c) androgen; males d) androgen; females
A person suspected of having unipolar depression has a smaller-than-normal hippocampus, although it produces a normal number of new neurons. This is:
A. unusual; those w/ unipolar depression usually have smaller-than-normal hippocampus, causing it to produce a low number of new neurons B. normal C. very unusual; those w/ unipolar depression usually have a normal-sized hippocampus, causing it to produce a normal number of new neurons D. unusual; those w/ unipolar depression usually have a larger-sized hippocampus, causing it to produce an excess of new neurons
ISLE 3.5 Map Your Blind SpotClick on the above link to work though the ISLE activity. Once you've completed the activity, navigate back and answer the following question.In the simulation, the "X" eventually disappears and is replaced by a continuous line. This fill-in phenomenon is controlled by ______.
A. rods B. cones C. horizontal cells D. retinal ganglion cells E. higher visual areas