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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)
Diagnosis of CML can be done using a Southern blot to detect the junction fragment. In early stages of CML most patients are heterozygous for the genome rearrangement,
During transcription DNA is transcribed into an hnRNA or pre-RNA molecule. Which of the following statements about the relationship between hnRNA and mRNA is true.
If there are 4000 children born to this generation, how many would be expected to have AB blood under the conditions of Hardy Weinberg equilibrium?
you now hyperventilate for 30 seconds into and out of a paper bag. are the posthyperventilation effects any different than in question 1 ? why or why not.
List the three different structures for locomotion found among protozoans, and name an organism taht utilizes each structure.
Consider a culture into which two E. coli strains are inoculated. Strain A is normal with g=21 min at 37 degrees C, and 42 mins at 27 degrees C. Strain B has a temperature-sensitive mutation, such that g=55 mins at 37 degrees C, and 39 mins at 27 ..
How are the carbohydrate, lipid and protein metabolisms tied together? What is the significance of this?
Determine which one of the following amino acids is most likely to participate in hydrogen bonding with water?
Which 6 cranial nerves involved in maintaining balance. List each nerve and describe how each contributes to the maintenance of balance.
Most cellular activities involve converting energy form one form to another. For each of the following cases, give a biological example and explain the significance of the conversion.
XPA is a recessive DNA repair disorder that causes skin cancer with even the smallest exposure to sunlight. Heterozygotes are carriers, but are not affected.
Dynein is missing from cilia and flagella of the individual with a specific inherited disorder. These individuals have severe respiratory problems, and if males, are sterile. What is the structural relationship between these 2 symptoms.
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