The advantages of using distance methods to construct trees include the fact that:
a. distance methods are conceptually straightforward.
b. distance methods are computationally among the fastest techniques.
c. Both of the above.
d. Neither of the above.
C
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Some regions of chromosomes remain highly condensed, tightly coiled, and untranscribed throughout the cell cycle. These regions are referred to as
A. noncoding DNA. B. single sequence repeats. C. constitutive heterchromatin. D. short interspersed elements. E. transposable elements.
Most apparent acts of altruism in the animal kingdom have proved, on closer inspection, to be not truly altruistic. Instead, they have evolved as a consequence of either _______________ or ________________.
a. kin selection; inclusive fitness b. reproductive investment; reciprocal altruism c. competition; courtship d. kin selection; reciprocal altruism e. monogamy; polygamy
In pea plants, tall plants are dominant over short, and green pods are dominant over yellow
If you crossed true-breeding tall, green-podded plants with true-breeding short, yellow-podded plants, and then crossed the F1 individuals among themselves, what proportion of the F2 offspring would you expect to be tall and yellow-podded? A) 3/16 B) 9/16 C) 1/16 D) 1/4 E) 3/4
The sequence of amino acids in a protein is its ________ structure.
A. hepternary B. tertiary C. quaternary D. primary E. secondary