The chromosomes move to opposite poles during
a. anaphase.
b. metaphase.
c. interphase.
d. prophase.
e. telophase.
Answer: a
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Based on molecular analyses, scientists now believe the domestication of the closest relatives of modern dogs began
between ____ years ago.
a. 800 and 1,200 b. 1,000 and 3,000 c. 4,000 and 8,000
d. 9,000 and 12,000 e. 18,800 and 32,100
Which of the following is(are) a group of
individuals of the same species that occupies a specified area? a. individuals b. species c. population d. polyploids e. all of these
What is an assumption of group selection?
A. resource prediction B. no natural selection C. infanticide D. high rates of mutation E. lack of immigration
How can DNA barcoding help to prevent disease? Check all that apply.
A. Animals that are necessary to perpetuate the life cycle of disease causing insects can be quickly identified. B. Genes for pesticide resistance can be quickly identified. C. Insects that are known to directly cause disease can be quickly identified. D. Genes that are necessary for the ability of insects to cause disease can be quickly identified.