Under ideal conditions, the number of DNA molecules produced during PCR increases exponentially.
Answer the following statement true (T) or false (F)
True
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Which of the following is not a reason for sampling?
A. The destructive nature of certain tests. B. The physical impossibility of checking all the items in the population. C. The adequacy of sample results. D. All of the above are reasons for sampling
You discover a new alien race that you decide to call the PAMMARIANS. They are different from us in that they have three sexes, called Q, R, and S. All three sexes must fuse their gametes to form a new PAMMARIAN (and you thought dating on the Earth was
hard!). They have nuclear DNA and extrachromosomal organelles, similar to mitochondria, called MITOCHLORIANS, which have their own DNA. The R gender is like human females (they donate the cytoplasm during the mating). Q and S do NOT donate cytoplasm during mating, like human males. Which of the following is TRUE? A) In a mating, if the S and Q genders have a mitochlorian DNA mutation, the offspring will be mutant as well. B) In a mating, if only the Q gender individual has a mitochlorian DNA mutation that causes a phenotype, the offspring will have NO mitochlorian mutant phenotype. C) In a mating, if only the R gender individual has a mitochlorian DNA mutation that causes a phenotype, the offspring will have NO mitochlorian mutant phenotype. D) In a mating, if only the Q gender individual has a mitochlorian DNA mutation that causes a phenotype, the offspring WILL HAVE a mitochlorian mutant phenotype. E) In a mating, if only the S gender individual has a mitochlorian DNA mutation that causes a phenotype, the offspring WILL HAVE a mitochlorian mutant phenotype.
Which of the following relationships is mismatched?
A. T. brucei gambiense and Gambian sleeping sickness B. Black flies and Onchocera volvulus C. T.brucei rhodesiense and West African sleeping sickness D. Tsetse fly and African Sleeping sickness E. Teania solium and swine
The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, and a "1" indicates the derived condition. Which pair of species shares the fewest number of derived characters (synapomorphies)?
A. 1 and 6
B. 1 and 4
C. 4 and 6
D. 2 and 3
E. 6 and 3
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 already know about cladistics?
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?