Over a long period of time, you would expect a neutral mutation to __________ within a large population
A. increase in frequency
B. decrease in frequency
C. increase or decrease in frequency
D. remain at the same frequency
C
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Which of the following is the most likely result at the completion of the project?
(A) The biomass of coyotes will be 6 kg, and the biomass of hawks will be 0.5 kg. (B) The biomass of coyotes will be dramatically reduced. (C) The coyotes will switch prey preferences and outcompete the hawks. (D) There will be 50 percent fewer voles and 90 percent fewer hawks.
Clay in soils represents a trade-off in nutrient availability, such because
a. oxygen levels are exceptionally high, but much of the nitrogen leaches away b. nitrogen levels are exceptionally high, but much of the nitrogen leaches away c. cations are less likely to leach out of soil but are difficult for plants to extrac d. anions are less likely to leach out of soil but are difficult for plants to extract
Which of the following would be an accurate comparison of mitosis and meiosis?
1.Mitosis takes place in animals; meiosis takes place in plants. 2.Mitosis gives rise to cells that are genetically identical; meiosis gives rise to cells that have half the amount of genetic information as the original cell. 3.Mitosis takes place for producing eggs and sperm; meiosis takes place for growth and repair of damaged tissue. 4.Abnormal cell growth would be due to errors in meiosis.
Restriction endonucleases typically recognize palindromic DNA sequences and often generate "sticky ends" or single-stranded DNA overhangs at cut sites
Indicate whether the statement is true or false