organism scientifically?
22. Which statement describes bacteria as a plant pathogen?
23. What is a difference between convergent and divergent
evolution?
24. How can genetic drift change the genetic frequencies of a
small or large population?
25. What is a difference between relative and absolute dating of
fossils?
26. Which of these organisms are (a) most closely related and
(b) least closely related? (I will give a picture of a cladogram if
chosen)
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eukaryotic mRNA?
28. For three of the 64 codons, there exists no tRNA with a
complementary anticodon. These codons are called
_____________ and serve as “stop” signals in the mRNA message?
29. Which statement does not describe the natural selection
example discussed in class (the one about the black and brown
mice)?
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they pass on their genes compared to the black mice which blend
into the background
b. The tawny mice have a higher probability of being eaten, so
they do not pass on their genes compared to the black mice which
blend into the background
c. The black mice have a lower probability of being eaten, so
they pass on their genes compared to the tawny mice which do not
blend into the background
d. The black mice have a higher probability of replicating, so
they pass on their genes compared to the tawny mice which do not
blend into the background
e.None of the above
30. Why is gene flow important?
sharks rodents & ray-finned fish amphibians primates rabbits crocodiles hair vertebrae amniotic egg four limbs bony skeleton birds eggs with shells