If p = 0.4 and pm = 0.8 and k = .10, what is the frequency of A1 on an island after one generation of migration?
What will be an ideal response?
ANS:
0.44
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Which of the following is not a function of histone H1?
A. stabilizing nucleosomes B. promoting higher order chromosome structure C. enhancing the repression of transcription by nucleosomes D. binding to regions undergoing active RNA synthesis E. All of these options are functions of histone H1
Molecular homologies are shown in
A. all organisms using DNA to store information. B. access to cellular information via RNA. C. proteins being the functional products of most genes. D. similarities in biochemical pathways. E. All of the choices are correct.
The situation in which an embryo produced as
a result of a mating between individuals of different species is incompatible with the mother and is subsequently aborted is an example of a. temporal isolation. b. hybrid inviability. c. mechanical isolation. d. gametic mortality. e. behavioral isolation
You wish to obtain a purified sample of mitochondria from lysed cells. The best way to obtain this sample would be
A) centrifugation. B) chromatography. C) polyacrylamide gel electrophoresis. D) agarose gel electrophoresis. E) both centrifugation and polyacrylamide gel electrophoresis.