We continue to see sickle-cell anemia in certain populations because the presence of one recessive gene for sickle-cell anemia
A. provides the individual with some level of protection from malaria.
B. is associated with longevity so the individual is more likely to pass the gene to his or her children.
C. also produces large amounts of human growth hormones (HGH), which is beneficial.
D. makes the individual more resistant to the negative effects of stress.
Answer: A
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a. basic form stage. b. preschematic stage. c. extended play stage. d. basic form and preschematic stages. e. basic form and extended play stages.
A factorial design includes:
a. One manipulated independent variable. b. More than one manipulated independent variable. c. Two or more independent variables, one of which is manipulated. d. Multiple dependent variables.
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What will be an ideal response?
Which intelligence focuses on the outdoors?
a. intrapersonal intelligence b. naturalistic intelligence c. spatial intelligence d. bodily-kinesthetic intelligence