Natural selection causes heterozygotes to increase in the population. What effect does this have on p
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Look at the graphic below. N = population size, frequency of heterozygotes is on the y-axis. 1. What is heterozygosity? What is homozygosity? 2. When comparing a small population to a large population [neither in Hardy-Weinberg equilibrium], what do you expect to see happen over 100 generations in terms of heterozygosity and homozygosity? Why?
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A population has 0.01 BB individuals, 0.18 Bb and 0.81 bb individuals. Assume 200 offspring are born, but only 50% of the bb individuals make it to adulthood, the other genotypes fair just fine. What is the frequency of the B allele in the next generation? Group of answer choices 0.716 0.03 0.01 0.83 Suppose a founding population has an allelic frequency not typical of the original population. Which of the following effects would most likely lead to homogenization? Group of answer choices no mutations within either population genetic drift within the founding population migration between the original and founding populations random mating within the founding population In Europe, there is a high frequency of the disease Muscular Atrophy- even though there is reduced fitness of carriers. What explanation is given for the maintenance of this polymorphism? Group of answer choices Mutation rate creating new alleles balanced with selection against the allele is enough. Heterosis, or heterozygote advantage. Selection in the past has left some people that are immune to the disease. Migration of individuals from another population keeps introducing the trait, even though there is selection against the trait in Europe.
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Two alleles exhibit overdominance and are in a stable equilibrium when allele p = 0.3. What will happen to allele p over time if an event moves the population to a frequency of p = 0.4?
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