If the frequency of expression of a recessive trait in a population is 16 percent, the frequency of the recessive allele is
what percent?
a. 16
b. 25
c. 40
d. 50
e. 67
ANSWER: c
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A dish of cells is treated with centrinone, a centriole inhibitor. These cells would no longer be able to ___.
A. conduct photosynthesis B. synthesize proteins C. make ATP D. produce lysosomes E. divide Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about centrioles? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Endemic species tend to have all of the following characteristics EXCEPT ____
a. high specific habitat requirements b. low dispersal ability c. restricted geographic distributions d. high specific dietary requirements e. high charisma to motivate conservationists
What is the most likely cause of a sampling error?
a. a malfunctioning calculator b. a poorly designed hypothesis c. very few individuals in the control group d. having both an experimental and a control group e. the researcher’s knowledge of which individuals were in the experimental group
Under the Biological Speces Concept, what criterion is used to assign populations of organisms to the same biological species?
A. Being able to interbreed and produce fertile offspring B. A very similar appearance C. Having 99% of their genes in common D. Responding the the environment in the same way