If you selected a population with an initial. heterozygocity of 0.6 for a set of alleles...
If you selected a population with an initial. heterozygocity of 0.6 for a set of alleles and you inbreed the population for 3 generations, what would the heterozygocity be at the 3th generation? (answer with up to 4 decimal places)
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If you selected a population with an initial. heterozygocity of
0.6 for a set of alleles...
1. Fixation of Dominant Alleles Start with a population that has a gene with two alleles (A and a...
1. Fixation of Dominant Alleles Start with a population that has a gene with two alleles (A and a) with classical Mendelian dominance that are at equal frequency (p0.5. q 0.5). Assume this first generation is at hardy Weinberg equilibrium. Calculate the genotype frequencies AA- a. Aa b. Now assume some environmental change that makes the recessive phenotype completely unfit (fitness- 0). Calculate the allele frequencies and genotype frequencies in the second generation. (Hint: Your calculations might be easier if...
4. Say we have a population, with Ne = 100, containing two alleles, A1 and A2...
4. Say we have a population, with Ne = 100, containing two alleles, A1 and A2 at frequencies 0.6 and 0.4, respectively. We leave this population alone for 10000 generations (keeping its size constant), then come back to find that the allele frequencies are still 0.6 and 0.4. a) Explain why this would be evidence that selection is acting in this population. b) Which genotype would you expect to have the highest fitness in this case? Explain.
If heritability of a trait in a population of tomatoes is 0.6, and the present population...
If heritability of a trait in a population of tomatoes is 0.6, and the present population mean for sugar content is 5%, what would be the estimated mean of the next generation if it originates from a selected population whose sugar content is 10%?
In a set of replicate D. melanogaster populations of size 50 established in your lab, you...
In a set of replicate D. melanogaster populations of size 50 established in your lab, you observe 70 A1 alleles and 30 A2 alleles at a locus involved in wing shape. If drift is the only force operating on this population: a) What is the probability of having only 4 A1 alleles in the next generation in any of your populations? b) What is the probability that the A2 allele will be eventually fixed in the population? c) What is...
Starting from a population of 100 individuals in which 100 A alleles and 100 a alleles...
Starting from a population of 100 individuals in which 100 A alleles and 100 a alleles are present, what level of heterozygosity would be most likely after 10,000 generations? a.) 0.0 b.) 0.5 c.) 1.0 d.) 0.05
A gene in a population has two alleles, B1 and B2. The frequency of the B1...
A gene in a population has two alleles, B1 and B2. The frequency of the B1 allele equals 0.72. Calculate the expected frequency of the heterozygotes in the next generation. Express your answer to two decimal places. frequency of the heterozygotes:
You have a population with three alleles: G_1, has a frequency of 0.1, G_2 has a...
You have a population with three alleles: G_1, has a frequency of 0.1, G_2 has a frequency of 0.7, and G_3 has a frequency of 0.2. What are the possible genotypes in this population, and what frequency do you expect for each genotype in the next generation if the population is in Hardy-Weinberg Equilibrium? What data would you need to collect about this population and how would you use this data in order to determine whether or not the population...
In a population of fish with two alleles representing fin color, blue (B) and green (G),...
In a population of fish with two alleles representing fin color, blue (B) and green (G), the original population has a frequency of 0.4 green fins, and 0.6 blue fins. If the population is in Hardy-Weinberg equilibrium, what are the frequencies of green and blue fins in the second generation? A: 0.4 blue and 0.6 green B:0.5 green and 0.5 blue C:0.4 green and 0.6 blue D:1.0 blue
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...
1. Fixation of Dominant Alleles Start with a population that has a gene with two alleles (A and a) with classical Mendelian dominance that are at equal frequency (p0.5. q 0.5). Assume this first generation is at hardy Weinberg equilibrium. Calculate the genotype frequencies AA- a. Aa b. Now assume some environmental change that makes the recessive phenotype completely unfit (fitness- 0). Calculate the allele frequencies and genotype frequencies in the second generation. (Hint: Your calculations might be easier if...
A gene in a population has two alleles, B1 and B2. The frequency of the B1 allele equals 0.72. Calculate the expected frequency of the heterozygotes in the next generation. Express your answer to two decimal places. frequency of the heterozygotes:
You have a population with three alleles: G_1, has a frequency of 0.1, G_2 has a frequency of 0.7, and G_3 has a frequency of 0.2. What are the possible genotypes in this population, and what frequency do you expect for each genotype in the next generation if the population is in Hardy-Weinberg Equilibrium? What data would you need to collect about this population and how would you use this data in order to determine whether or not the population...
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