You are studying the process of one-way migration from a mainland population to an island population....
You are studying the process of one-way migration from a mainland population to an island population. You've collected data on the frequency of two alleles- A1 and A2- in each population as shown below.
Population A1 A2
Mainland 0.50 0.50
Island 1.0 0
a. You find that individuals from the mainland population migrate to the island population and that the migration rate (m) is equal to 0.8. What will the allele frequencies be in the new population after gene flow and one generation of random mating occur?
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You are studying the process of one-way migration from a
mainland population to an island population....
A mainland population of 1000 blue iguanas have the neutral alleles A1 and A2 with frequencies...
A mainland population of 1000 blue iguanas have the neutral alleles A1 and A2 with frequencies of A1 = 0.50 and A2 = 0.50. A new population of blue iguanas is founded on Lizard Island with a population size of 10 males and 15 females. The neutral alleles A1 and A2 are present in the population with frequencies of A1 = 0.30 and A2 = 0.70. Migrants begin moving from the mainland to Lizard Island at a rate of 1...
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Migrants are moving from a mainland population to an island at an average rate of 50 individuals per generation. The frequency of A2 is 80% on the mainland while 0% of the 1000 individuals currently on the island carry allele A2. Allele A2 turns out to have a selective advantage, such that homozygous individuals reproduce at four times the rate of the native population What is the frequency q" of A2 individuals on the island after selection, but before migration...
Can someone explain how to solve this in detail? A population of water snakes is found...
Can someone explain how to solve this in detail?
A population of water snakes is found on an island in lake Erie. Some of the snakes are banded and some are unbanded; banding is caused by an autosomal allele that is recessive to an allele for no bands. The frequency of banded snakes on the island is 0.16; whereas the frequency of the banded snakes in the mainland is 0.25. One summer, a large number of snakes migrate from the...
Calculate the amount of evolution in one generation for the following scenario for alleles A1 and...
Calculate the amount of evolution in one generation for the following scenario for alleles A1 and A2 (p = frequency of A1): Initial allele frequencies: p = 0.4, q = 0.6 Fitness: W11 = 0.85, W12 = 1.00, W22=0.70 What are the genotype frequencies among juveniles at the beginning of this generation (assuming random mating in the previous generation)? What is the mean fitness of the population in this generation? What will be the allele frequencies in the next generation...
Calculate the amount of evolution in one generation for the following scenario for alleles A1 and...
Calculate the amount of evolution in one generation for the following scenario for alleles A1 and A2 (p = frequency of A1): Initial allele frequencies: p = 0.4, q = 0.6 Fitness: W11 = 0.85, W12 = 1.00, W22=0.70 What are the genotype frequencies among juveniles at the beginning of this generation (assuming random mating in the previous generation)? What is the mean fitness of the population in this generation? What will be the allele frequencies in the next generation...
Complete each sentence with the appropriate term or phrase. does not migrate are If members of...
Complete each sentence with the appropriate term or phrase. does not migrate are If members of one population into another population, allelic frequencies may be changed. migrate infinitely large For a population to exhibit Hardy-Weinberg equilibrium, it must meet several conditions including that the population is , members must mate, that the alleles undergoing natural selection, that there is no migration, and that there is no genetic drift. changing stabilizing Restriction of mate selection, either based on behavior or physical...
On Lake Superior there are several islands large enough to support woodland caribou populations. One such...
On Lake Superior there are several islands large enough to support woodland caribou populations. One such island is Michipicoten Island, where caribou populations have been estimated at anywhere from 9 to 100 individuals per year, depending on the strength of wolf predation. Caribou are strong swimmers and can enter and leave the island from the mainland, though they do so rarely. Let’s say there are 90 caribou on the island, and each generation 5 of those 90 caribou emigrated from...
On Lake Superior there are several islands large enough to support woodland caribou populations. One such...
On Lake Superior there are several islands large enough to support woodland caribou populations. One such island is Michipicoten Island, where caribou populations have been estimated at anywhere from 9 to 100 individuals per year, depending on the strength of wolf predation. Caribou are strong swimmers and can enter and leave the island from the mainland, though they do so rarely. Let’s say there are 90 caribou on the island, and each generation 5 of those 90 caribou emigrated from...
a through f Sample Problem # 2 1. A population called the "founder generation consisting of...
a through f
Sample Problem # 2 1. A population called the "founder generation consisting of 2000 AA individuals, 2000 Aa individuals, and 6000 aa individuals is established on a remote island. Mating within this population occurs at random, the three genotypes are selectively neutral, and mutations occur at a negligible rate 9 What are the frequencies of alleles A and a in the founder generation? Is the founder generation at Hardy-Weinberg equilibrium? Is the second generation at Hardy-Weinberg equilibrium?...
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A gene has four alleles, A1, A2, A3, and A4. The alleles occur in a population at the following frequencies: A1=0.2, A2=0.1, A3=0.4, A4=0.3. Compute the following: a) Probability that a single allele chosen at random is either A1 or A4 b) Probability than an individual as two A1 alleles c) Probability that an individual has one A1 and one A3 allele d) Probability that an individual is NOT A1A1 e) Probability that if we drew two individuals at random,...
Migrants are moving from a mainland population to an island at an average rate of 50 individuals per generation. The frequency of A2 is 80% on the mainland while 0% of the 1000 individuals currently on the island carry allele A2. Allele A2 turns out to have a selective advantage, such that homozygous individuals reproduce at four times the rate of the native population What is the frequency q" of A2 individuals on the island after selection, but before migration...
Can someone explain how to solve this in detail?
A population of water snakes is found on an island in lake Erie. Some of the snakes are banded and some are unbanded; banding is caused by an autosomal allele that is recessive to an allele for no bands. The frequency of banded snakes on the island is 0.16; whereas the frequency of the banded snakes in the mainland is 0.25. One summer, a large number of snakes migrate from the...
Complete each sentence with the appropriate term or phrase. does not migrate are If members of one population into another population, allelic frequencies may be changed. migrate infinitely large For a population to exhibit Hardy-Weinberg equilibrium, it must meet several conditions including that the population is , members must mate, that the alleles undergoing natural selection, that there is no migration, and that there is no genetic drift. changing stabilizing Restriction of mate selection, either based on behavior or physical...
a through f
Sample Problem # 2 1. A population called the "founder generation consisting of 2000 AA individuals, 2000 Aa individuals, and 6000 aa individuals is established on a remote island. Mating within this population occurs at random, the three genotypes are selectively neutral, and mutations occur at a negligible rate 9 What are the frequencies of alleles A and a in the founder generation? Is the founder generation at Hardy-Weinberg equilibrium? Is the second generation at Hardy-Weinberg equilibrium?...
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