If the original finches that had been blown over to the Galapagos from South America had already been genetically different from the parental population of South American finches, even before adapting to the Galapagos, this would have been an example of
A) genetic drift.
B) bottleneck effect.
C) founder?s effect.
D) all three of these
E) both A and C
Ans: E) both A and C
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The primary structure of a protein
A) is important for determining the secondary and tertiary structure of a protein. B) is simply the order of amino acids from one end of the protein to another. C) is important both genetically and structurally. D) is the linear sequence of amino acids that are linked together by peptide bonds. E) all of the above
The phases of each PCR cycle listed in order are ____
a. denaturation, extension, and annealing b. annealing, extension, and denaturation c. extension, denaturation, and annealing d. annealing, denaturation, and extension e. denaturation, annealing, and extension
A gametophyte is a __________ plant body that
grows by __________ from a __________. a. haploid; mitosis; spore b. diploid; mitosis; spore c. diploid; mitosis; zygote d. diploid; meiosis; fertilized egg e. haploid; mitosis; fertilized egg
A genetic test to detect predisposition to cancer would likely examine the APC gene for involvement in which type(s) of cancer?
A) colorectal only B) lung and breast C) lung only D) lung and prostate