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Apply the general viability selection model to answer the following hypothetical problem. In the plant Clarkia tembloriensis, temporal variation in germination date is under the control of a single locus. In dry habitats where pollinators are not abundant, the early germinating, recessive genotype (ll) is favored over the late germinating genotypes (LL and Ll). Assume the following data come from a population in a dry habitat and that zygotes are formed by random mating prior to selection.Genotype: LL Ll llNumber before selection 36 48 16Number after selection 24 32 14
What is the genotypic-specific survivorship for this population?
What are the genotype-specific relative fitnesses?
What are the genotype-specific selection coefficients?
What form of selection is indicated by the fitnesses of genotypes at this locus?
What mode of inheritance is indicated by the fitnesses at this locus?
Calculate population mean fitness (w-bar)
Assume if a man of blood group AB marries a woman of blood group A whose father was of blood group O, to what different blood groups can this man and woman expect their children to belong?
Predict how a mutation that knocks out the glnB gene of E. coli would affect the expression and activity of glutamine synthetase and what affect this gene knockout would have on the cell.
How many genes are there? How many alleles does each gene have? What type of gene interaction does the ratio in the Ftwo indicate?
Describe how you would prepare a 0.1 M phosphate buffer with a pH of 7.2. What ratio of conjgate base to acid would you use?
Which of the following best describes the biological role of the lac operon?
A girl with a defective heart receives a new heart transplanted from another child who was killed in an accident. The patient is given an antilymphocyte serum containing antibodies against her lymphocytes. The transplanted heart is not rejected, b..
What is a main property of DNase that makes it useful for assessing whether chromatin is in a closed (tightly condensed) or open (loosely packed) configuration.
How does infection, or inflammation stimulate the stress response?
Discuss the lifecycle of one helminth and state which form of a worm is parasitic-larva or the egg and discuss why.
Why is methanol used in the process of destining proteins in a SDS-PAGE gel?
Dozens of potato varieties exist, differing from each other in potato-tuber size, skin colour, flesh colour, and shape. One might construct a classification of potatoes based on these morphological traits. Which of these criticisms of such a classifi..
Mitchell's original chemiosmotic hypothesis relies on the impermeability of the inner mitochandrial membrane to ions other than H+, sch as Na+ and Cl-
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