However some detective work shows that the alleles at

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Unformatted text preview: some detective work shows that the alleles at each locus involved are not on the same chromosome. a. Are alleles at these two loci physically linked? Why or why not? 2 b. Are the alleles in linkage equilibrium or disequilibrium and what is a possible evolutionary mechanism that could explain this pattern? 3. The effective population size of a diploid deer species is 20,000 individuals. All deer have genotype X until a mutation (XY) occurs, giving one copy of Y in this individual, so they are XY. Alleles confer equivalent fitness. a. What is the probability that Y will be fixed? b. How long will it take Y to become fixed on average (include units)? c. The same mutation occurs in a haploid population of 3,000 deer. What is the probability that Y will be fixed? d. If Y is fixed, how long will its fixation take on average (include units)? Remember that in this particular example, this organism is haploid. 4. The Galapagos hawk has a polyandrous (one female, many male) mating system, in which a single female controls a harem of males and is the sole mother of all babies in that social group, which can contain up to 8 males, but there is only a single baby produced in each year. In another s...
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This note was uploaded on 02/02/2014 for the course ECOL 335 taught by Professor Reinthal during the Spring '10 term at University of Arizona- Tucson.

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