What is the frequency of the allele A in a Hardy-Weinberg population?
In a Hardy-Weinberg population with two alleles, A and a, that are in equilibrium, the frequency of the allele a is 0.4. What is the percentage of the population that is homozygous for this allele?
How to maintain a small population of fruit flies in the laboratory?
You are maintaining a small population of fruit flies in the laboratory by transferring the flies to a new culture bottle after each generation. After several generations, you notice that the viability of the flies has decreased greatly. Recognizing that small population size is likely to be linked to decreased viability, the best way to reverse this trend is to
Which evolutionary force consistently results in adaptation?
selection (Selection is the only evolutionary force that consistently results in adaptation. Mutation without selection and genetic drift are random processes that may lead to adaptive, maladaptive, or neutral effects on populations)
Which type of population tends to produce more offspring than the environment can support?
a. Natural populations tend to produce more offspring than the environment can support
Do all organisms have proofreading capability?
the DNA polymerases of all cellular organisms have proofreading capability. This capability tends to reduce the introduction of
Can reflux be treated?
Numerous adult humans are currently treated for reflux disorders. However, at an earlier time in medical history these same individuals probably would have been diagnosed with gastric ulcers. Which of the following has most contributed to correct diagnosis of this problem?
Does B decrease water reabsorption?
b decreases water reabsorption in the large intestine.
Who believed that a person's current problems could be traced to childhood experiences?
D. Freud believed that a person’s current problems could be traced to childhood experiences
What is Freud's therapeutic technique?
According to Freud’s therapeutic technique, getting people to talk freely
What is a D. psychoanalyst?
D. is a psychoanalyst’s search for symbolic, hidden meanings in what the client says and does during therapy.
Can a psychologist prescribe drugs?
C. Psychologists can prescribe drugs for psychological disorders in most states.
