Explain why DNA sequences alone cannot account for the differences between humans and other animals, such as chimpanzees.
What will be an ideal response?
Humans and chimpanzees have DNA sequences that are 95-98% similar, yet we differ greatly in our behaviors and apparent cognitive capacities. This appears to be because of differences in DNA expression that occur. While genes may be relatively similar across several species, which genes are actively creating proteins differs, even for an individual across his/her lifespan.
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The findings of a study, using the CVLT, which compared patients with Huntington's disease, Alzheimer's disease, and other neuropsychological impairments suggest that
a. measures have the same validity for different patient groups. b. the association between variables is different for different patient populations. c. the CVLT may be an appropriate measure for Alzheimer's patients but not Huntington's. d. the CVLT cannot discriminate between impaired groups and a control group of patients.
Which of the following statement is INCORRECT regarding the developmental course of sleep-wake cycle in early childhood?
a. A typical child spends nearly half of their first three years sleeping. b. A child's quality of sleep directly affects their mood, attention and social relationships. c. A child's ability to sleep can have a positive or negative impact on the parent-child relationship. d. A child who doesn't sleep well in the first three years is at risk for disorders such as autism.
A young researcher joins a local fraternity posing as a student and becomes immersed in the fraternity lifestyle in order to study members of the fraternity.a. What method of observation did the researcher use?b. What type of qualitative research design often requires the use of this method of observation?
What will be an ideal response?
The patellar tendon or "knee jerk" reflex is an example of a _________ reflex.
A. withdrawal B. flexion C. monosynaptic D. polysynaptic