The figure below shows the life history in a population of pileated woodpeckers you are studying....
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The figure below shows the life history in a population of pileated woodpeckers you are studying. Recently a new mutation occurred in this population that causes its carriers to have 2 offspring each year instead of just one. The new mutation does not alter the age of maturation, which still occurs at 3 years. Your preliminary observations indicate that the new mutation causes an earlier death, but you are not certain how early the deaths occur. You do notice, however, that the new mutation is increasing in frequency in this population. What would be the minimum age of death for this mutant to have it increase in frequency? Explain your rationale. (15) Note: RS = reproductive success !3! Expected RS for individuals Fraction of RS of Age individuals surviving survivors 1.000 0. 0.000 0.000 0.000 0.512 0.410 0.328 0.800 0.640 0.512 0.410 0.328 0.262 2. 4. 5. 0.262 7. 0210 0.168 0.210 8. 0.168 0.134 0.107 0.134 0.107 0.086 10 11 0.086 12 0.060 0.069 0.055 0.044 13 0.055 0.044 0.035 14 1. 15 0.035 Expected lifetime RS: 2.419 The figure below shows the life history in a population of pileated woodpeckers you are studying. Recently a new mutation occurred in this population that causes its carriers to have 2 offspring each year instead of just one. The new mutation does not alter the age of maturation, which still occurs at 3 years. Your preliminary observations indicate that the new mutation causes an earlier death, but you are not certain how early the deaths occur. You do notice, however, that the new mutation is increasing in frequency in this population. What would be the minimum age of death for this mutant to have it increase in frequency? Explain your rationale. (15) Note: RS = reproductive success !3! Expected RS for individuals Fraction of RS of Age individuals surviving survivors 1.000 0. 0.000 0.000 0.000 0.512 0.410 0.328 0.800 0.640 0.512 0.410 0.328 0.262 2. 4. 5. 0.262 7. 0210 0.168 0.210 8. 0.168 0.134 0.107 0.134 0.107 0.086 10 11 0.086 12 0.060 0.069 0.055 0.044 13 0.055 0.044 0.035 14 1. 15 0.035 Expected lifetime RS: 2.419
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