Which statement supports the proposition that the presence of an X chromosome appears to be necessary for life?
a. X-chromosomal genotypes are expressed as consistent phenotypes at a rate of around 85%, while Y-chromosomal genotypes are expressed as consistent phenotypes at a rate of only about 15%.
b. The X chromosomes are expressed far earlier in the prenatal period than the Y chromosomes
c. There are no chromosomal disorders wherein a person has only Y chromosomes.
d. Most of the lethal chromosomal disorders, including Tay-Sachs disease and cystic fibrosis, are located on the Y chromosome.
c
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Which of the following elements is particularly critical to include in a deception study, but is not usually required in other types of studies?
a. IRB approval b. demand characteristics c. complete debriefing d. informed consent
Transduction is the process by which sensations are changed into meaningful perceptions.
Answer the following statement true (T) or false (F)
Functional magnetic resonance imaging (fMRI) tracks blood flow in the brain
a. True b. False Indicate whether the statement is true or false
Which of the following best describes Charcot's explanation of hysteria??
a. ?All hysteric symptoms are caused by lesions in the brain. b. ?Hysteric symptoms occur only in patients who are hypnotized. c. ?Because there is no apparent biological basis for hysteria, it cannot be considered a real disease. d. ?Traumatic experience causes certain ideas to become dissociated from consciousness where they become strong enough to cause hysterical symptoms.