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If the proportion of a population of fish with the dominant phenotype is 0.91, what is...
How come p=0.2 only represents dominant phenotype in males? How about p allele in females? Doesn’t...
How come p=0.2 only represents dominant phenotype in males?
How about p allele in females? Doesn’t P= 0.2 represents p allele
in both males and females in the population?
*23.9 A trait determined by an X-linked dominant allele shows 100 percent penetrance and is expressed in 36 percent of the females in a population. Assuming that the population is in Hardy- Weinberg equilibrium, what proportion of the males in this population express the trait? ANS: In females, the frequency of...
The frequency of homozygous dominant individuals in a given population is 0.35. a. What is the...
The frequency of homozygous dominant individuals in a given population is 0.35. a. What is the frequency of the recessive allele in the population? b. If there are 100 individuals in the population, how many individuals have the dominant phenotype?
In a population of Mendel's garden peas, the frequency of the dominant A (purple flower) allele...
In a population of Mendel's garden peas, the frequency of the dominant A (purple flower) allele is 80%. Letp represent the frequency of the A allele and q represent the frequency of the a allele. Assuming that the population is in Hardy-Weinberg equilibrium, what are the genotype frequencies? A. 16% AA, 40 % Aa, 44 % aa B. 80% AA, 10 % Aa, 10 % aa C. 50 % AA , 25 % As , 25 % aa * E....
If 90 out of 200 individuals in a population express the recessive phenotype, what is the...
If 90 out of 200 individuals in a population express the recessive phenotype, what is the frequency of the recessive allele? If 90 out of 200 individuals in a population express the recessive phenotype, what proportion of the population are expected to be heterozygotes?
In a population of flowers, red is dominant to white. Assuming the population is in HWE,...
In a population of flowers, red is dominant to white. Assuming the population is in HWE, if the red allele frequency is 0.46, what is the red phenotype frequency? answer to two decimals
Question 5 1 pts You are studying a population of palm trees and you observe that...
Question 5 1 pts You are studying a population of palm trees and you observe that there are two alleles for frond shape. Allele 1 codes for rounder fronds and allele 2 codes for squarer fronds. Allele 2 is at a frequency of 30% of the population. What should be the frequency of allele 1? O 0.30 O 0.50 0 0.60 O 0.70 Question 6 1 pts You are studying a population of guppies and you observe that there are...
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...
1. A particular gene in a given population of individuals has two alleles, A and a....
1. A particular gene in a given population of individuals has two alleles, A and a. The frequency of the A allele equals the frequency of the a allele. What are the expected genotype frequencies, assuming the population is in Hardy-Weinberg equilibrium? AA = 0.5, aa = 0.5 AA = 0.25, Aa = 0.50, aa = 0.25 O A = 0.5, a = 0.5 The answer cannot be determined because the allele frequencies are not provided.
Case B: In this population, the frequency of the dominant allele, B, is 0.5 and the...
Case B: In this population, the frequency of the dominant allele, B, is 0.5 and the frequency of the recessive allele, b, is 0.5. However, in this situation any individual who is born with the dominant trait has a 50 % chance of not surviving to reproductive age. Assuming that mating is still random, what will happen to the allele frequencies (p and q) after 5 generations? (le. Will one allele increase or decrease?) Prediction (1 mark): Reason (2 marks):...
In Drosophila melanogaster, the phenotype “curly wings” is due to a dominant allele Cy that is...
In Drosophila melanogaster, the phenotype “curly wings” is due to a dominant allele Cy that is lethal when homozygous. A population is established with an initial frequency of Cy equal to 0.168. Calculate the expected frequency in the next generation, assuming: that the relative fitness (w) of +/+ and Cy/+ are both 1.0 that the relative fitness (w) of +/+ is 1.0 and Cy/+ is 0.5
How come p=0.2 only represents dominant phenotype in males?
How about p allele in females? Doesn’t P= 0.2 represents p allele
in both males and females in the population?
*23.9 A trait determined by an X-linked dominant allele shows 100 percent penetrance and is expressed in 36 percent of the females in a population. Assuming that the population is in Hardy- Weinberg equilibrium, what proportion of the males in this population express the trait? ANS: In females, the frequency of...
In a population of Mendel's garden peas, the frequency of the dominant A (purple flower) allele is 80%. Letp represent the frequency of the A allele and q represent the frequency of the a allele. Assuming that the population is in Hardy-Weinberg equilibrium, what are the genotype frequencies? A. 16% AA, 40 % Aa, 44 % aa B. 80% AA, 10 % Aa, 10 % aa C. 50 % AA , 25 % As , 25 % aa * E....
Question 5 1 pts You are studying a population of palm trees and you observe that there are two alleles for frond shape. Allele 1 codes for rounder fronds and allele 2 codes for squarer fronds. Allele 2 is at a frequency of 30% of the population. What should be the frequency of allele 1? O 0.30 O 0.50 0 0.60 O 0.70 Question 6 1 pts You are studying a population of guppies and you observe that there are...
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...
1. A particular gene in a given population of individuals has two alleles, A and a. The frequency of the A allele equals the frequency of the a allele. What are the expected genotype frequencies, assuming the population is in Hardy-Weinberg equilibrium? AA = 0.5, aa = 0.5 AA = 0.25, Aa = 0.50, aa = 0.25 O A = 0.5, a = 0.5 The answer cannot be determined because the allele frequencies are not provided.
Case B: In this population, the frequency of the dominant allele, B, is 0.5 and the frequency of the recessive allele, b, is 0.5. However, in this situation any individual who is born with the dominant trait has a 50 % chance of not surviving to reproductive age. Assuming that mating is still random, what will happen to the allele frequencies (p and q) after 5 generations? (le. Will one allele increase or decrease?) Prediction (1 mark): Reason (2 marks):...
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