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For each of the following: What would you expect to be the most important evolutionary force acting between this generation and the next affecting the genetic composition of the populations (for these scenarios for a specific locus, we are concerned only with that locus and/or phenotype)? a) A population of bacteria that was started from a single cell 1 generation ago? b) A population of LL individuals that comes into close contact with a population of LL, Ll, and ll individuals. Assume the two populations exchange 10% of their populations through migration and the three genotypes do not differ in fitness? c) A population in which the absolute fitness of each of three phenotypes are: blue = 100, blue-orange = 90, and orange 90 and phenotypes are determined by the environment, not genetics? d) A population in which a mutation produces a new allele that increases the individuals that have that allele to have a higher probability of surviving to reproductive age (assume a 5% increase). Assume the mutation entered the population 1 generation ago and Ne = 100,000?
Irregularly a person is discovered to have one blue eye and one brown eye. This is caused by the creation of a new mutation. In which cell did the mutation occur?
Normal cells greatly slow their rates of cell division after filling a culture dish with a layer that is one cell deep. If a circular group of cells is removed from the middle of the filled culture dish,
Compute the surface-area-to-volume ratio of a cube whose sides are 100 um in length to estimated the surface-area-to-volume ratio of the fern spore cell.
Which term is not associated with phylogenetics, Which of the following is NOT a synapomorphy? Which of the following can lead to homoplasy?
Explain how DNA is responsible for protein structure, both in prokaryotes and eukaryotes. provide your answer.
Thiol proteases are a widely distributed group of proteases with a mechanism somewhat similar to that of the serine proteases (the family of enzymes which includes chymotrypsin).
Select the optimal temperature for enzyme function observed. Note you will have to create your own graph or log in the milliliters of gas bubbles produced on your own to answer this question.
Assume you have two cell lines named ViRa and SaSi growing in your lab. ViRa is susceptible to poliovirus infection, but is not permissive,
If narrow-sense heritability in the rabbit population is 0.7, what is an expected body weight among offspring of selected rabbits. What was the amount of cash paid on accounts payable for the period of the year ended December 31.
Activation of metabotropic glutamate receptors in neurons is often coupled to the activation of phospolipase C PLC.
Assume many of the atoms of nitrogen in a double-stranded molecule of DNA, of isotope N-14, were replaced with the isotope N-15
Where does the label show in mevalonate. A spherical ball of solid, nonporous naphthalene (as in a "moth ball") is suspended in still air; naphthalene ball slowly sublimes, releasing the naphthalene into the surrounding air by molecular diffusion lim..
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