Suppose both the father and the mother are “heterozygous” for the gene that controls
ability to curl the tongue lengthwise, and this gene is dominant. What can we predict
about their children?
a. All will be heterozygous for the ability to curl.
b. All will be homozygous for the ability to curl.
c. All will be homozygous for the inability to curl.
d. They may be homozygous or heterozygous for ability to curl, or homozygous for
inability.
Lashley found that when he removed parts of the brain:
a. only the removal of frontal lobe tissue disrupted performance.
b. only the removal of parietal lobe tissue disrupted performance.
c. the amount of tissue removed was more important than its location.
d. he found no loss of memories at all.
Young adults deprived of a night’s sleep show deficits on ____ tasks.
a. verbal
b. sensory
c. memory