Imagine that a population of deer living on an island without any predators was threatened with overpopulation, until wolves were imported
After a couple of years, there were fewer deer, but their average running speed and the length of their legs had increased. What process accounts for the change?
A) Natural selection
B) Changes due to chance alone
C) Inheritance of acquired characteristics
D) Genetic impossibility
E) Unfavorable mutations
A
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In analyzing data for crosses involving one gene, Mendel discovered that alleles are discrete entities, and that they are separated during formation of gametes. This was the basis of Mendel's law of ________
Fill in the blank with correct word.
Predict the phenotype of the following gene construct if it is successfully transfected into plant cells. Promoter- GUS- PFK1
A) white precipitate B) blue precipitate C) no precipitate D) green precipitate
Parsimony has the disadvantage of:
a. being an inconsistent estimator. b. conceptual complexity. c. long-branch attraction. d. A and C. e. A and B.
The following data was obtained when testing the length of time to kill a particular non-spore-forming bacterial species at various temperatures. Identify the thermal death point of this bacterial species.
Temperature Time required to kill 50C 25 55C 20 60C 10 65C 8 A) 65C B) 20 minutes C) 60C D) 50C E) 55C F) 10 minutes