Homework Answers
Answer :-
According to hardy Weinberg equilibrium
p2+2pq + q2 = 1
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1. What are the genotypic frequencies of +/4, +/-and-/-in your class population? Fill in the table...
1. What are the genotypic frequencies of +/+, +/-and-/-in your class population? Fill in the table...
1. What are the genotypic frequencies of +/+, +/-and-/-in your class population? Fill in the table below with your class data. Table 1: Observed Genotypic Frequencies for the Class Category Number Homozygous 0/4 4 Heterozygous (1) 12 Homozygous (-/-) 41 Totals Frequency (# of genotypes/total) 10.07 10.21 0.72 1 = 1.0 2. What is the frequency of each allele in your class sample? Fill in the table below with your class data: Frequency Table 2: Calculated Allelic Frequencies for the...
Calculating expected genotypic frequencies and individuals in a population from allele frequencies: 3.1 In a population...
Calculating expected genotypic frequencies and individuals in a population from allele frequencies: 3.1 In a population of peas, the frequency of the dominant allele for a purple flower is 0.77 and the frequency of the recessive allele for a white flower is 0.23. What would the genotypic frequencies be if the population is in equilibrium? _____ = Frequency of homozygous dominant individuals _____ = Frequency of heterozygous individuals _____ = Frequency of homozygous recessive individuals How many individuals would you...
Please help me about question c)!!! 1. The table below shows the genotypic frequencies of A/A,...
Please help me about question c)!!!
1. The table below shows the genotypic frequencies of A/A, A/a and a/a individuals in three human populations. "A" and "a" are two alleles of a gene coding for a protein involved in brain development (specifically, the trigeminal nerve). People who are heterozygous or homozygous A/A have one or more symptoms related to ACHOO syndrome, a very common condition whereby a person has the urge to sneeze upon sudden exposure to bright light (you...
D. The frequencies of the genotypes "AA" and "Aa." E. The frequencies of the two possible...
D. The frequencies of the genotypes "AA" and "Aa." E. The frequencies of the two possible phenotypes if "A" is completely dominant over "a." 3. There are 100 students in a class. Ninety-six did well in the course whereas four blew it totally and received a grade of F. Sorry. In the highly unlikely event that these traits are genetic rather than environmental, if these traits involve dominant and recessive alleles, and if the four (4%) represent the frequency of...
+/+ +/- -/- 7 9 2 =18 students An allelic frequency is a ratio of the...
+/+ +/- -/- 7 9 2 =18 students An allelic frequency is a ratio of the number of copies of an allele over the total number of alleles present (2 x homozygous+heterozygous/total number of alleles). Based on the class data, calculate the allelic frequencies of the Alu insertion of your lab section. If the population is genetically stable, the allelic frequencies will remain constant from one generation to the next. If we expect the allelic frequency of the Alu insertion...
3. Record the class data below for the number of plants of each genotype: +/+ ns4/+...
3. Record the class data below for the number of plants of each genotype: +/+ ns4/+ _22 (Homozygous Wild-Type) (Heterozygous) (Homozygous Mutant) Musings 4. Perform a Chi-squared test on the results above to test: Hypothesis- the observed numbers of cach genotype do not deviate significantly from a 1:2:1 genotypic ratio. a. First, calculate the expected number of each genotype based on the total number of plants tested. Report the values to two places after the decimal. (Yes, the expected numbers...
Give the Hardy–Weinberg expected genotypic frequencies for an autosomal locus with three alleles, where the frequencies...
Give the Hardy–Weinberg expected genotypic frequencies for an autosomal locus with three alleles, where the frequencies of alleles A1, A2, and A3 are defined as p, q, and r, respectively. Set the problem up and show your work. Tay–Sachs disease is an autosomal recessive disorder. Among Ashkenazi Jews, the frequency of Tay–Sachs disease is 1 in 3600. If the Ashkenazi population is mating randomly for the Tay–Sachs gene, what proportion of the population consists of heterozygous carriers of the Tay–Sachs...
QUESTION THREE a. The table below shows a distribution of bristle number in a Drosophila population....
QUESTION THREE a. The table below shows a distribution of bristle number in a Drosophila population. Calculate the mean, variance, and standard deviation for these data. Bristle number Number of individuals 1 2 4 3 7 4 31 5 56 6 17 7 4 Page 3 of 5 b. You have sampled a population in which you know that the percentage of the homozygous recessive genotype (aa) is 36%. Using that 36%, calculate the following: i. The frequency of the...
Hardy-Weinberg a. if you know allelic frequencies for a particular gene in your class, can you...
Hardy-Weinberg a. if you know allelic frequencies for a particular gene in your class, can you calculate phenotypic frequencies. why or why not b. if you know allelic frequencies for a population, can you always calculate phenotypic frequencies. c. if the fraction of homozygous recessive in a population is known, can the allelic frequencies and genotypic frequencies always be calculated? what conditions must be met?
In a population, you observe 300 homozygous dominant (AA) individuals, 400 heterozygous (Aa) individuals, and 300...
In a population, you observe 300 homozygous dominant (AA) individuals, 400 heterozygous (Aa) individuals, and 300 homozygous recessive (aa) individuals. Please show all your work while answer the following questions. What are the observed allele frequencies for this population? • observed dominant allele (A) frequency: • observed recessive allele (a) frequency: What are the observed genotype frequencies for this population? • observed homozygous dominant (AA) genotype frequency: • observed heterozygous (Aa) genotype frequency: • observed homozygous recessive (aa) genotype frequency:...
1. What are the genotypic frequencies of +/+, +/-and-/-in your class population? Fill in the table below with your class data. Table 1: Observed Genotypic Frequencies for the Class Category Number Homozygous 0/4 4 Heterozygous (1) 12 Homozygous (-/-) 41 Totals Frequency (# of genotypes/total) 10.07 10.21 0.72 1 = 1.0 2. What is the frequency of each allele in your class sample? Fill in the table below with your class data: Frequency Table 2: Calculated Allelic Frequencies for the...
Please help me about question c)!!!
1. The table below shows the genotypic frequencies of A/A, A/a and a/a individuals in three human populations. "A" and "a" are two alleles of a gene coding for a protein involved in brain development (specifically, the trigeminal nerve). People who are heterozygous or homozygous A/A have one or more symptoms related to ACHOO syndrome, a very common condition whereby a person has the urge to sneeze upon sudden exposure to bright light (you...
D. The frequencies of the genotypes "AA" and "Aa." E. The frequencies of the two possible phenotypes if "A" is completely dominant over "a." 3. There are 100 students in a class. Ninety-six did well in the course whereas four blew it totally and received a grade of F. Sorry. In the highly unlikely event that these traits are genetic rather than environmental, if these traits involve dominant and recessive alleles, and if the four (4%) represent the frequency of...
3. Record the class data below for the number of plants of each genotype: +/+ ns4/+ _22 (Homozygous Wild-Type) (Heterozygous) (Homozygous Mutant) Musings 4. Perform a Chi-squared test on the results above to test: Hypothesis- the observed numbers of cach genotype do not deviate significantly from a 1:2:1 genotypic ratio. a. First, calculate the expected number of each genotype based on the total number of plants tested. Report the values to two places after the decimal. (Yes, the expected numbers...
QUESTION THREE a. The table below shows a distribution of bristle number in a Drosophila population. Calculate the mean, variance, and standard deviation for these data. Bristle number Number of individuals 1 2 4 3 7 4 31 5 56 6 17 7 4 Page 3 of 5 b. You have sampled a population in which you know that the percentage of the homozygous recessive genotype (aa) is 36%. Using that 36%, calculate the following: i. The frequency of the...
In a population, you observe 300 homozygous dominant (AA) individuals, 400 heterozygous (Aa) individuals, and 300 homozygous recessive (aa) individuals. Please show all your work while answer the following questions. What are the observed allele frequencies for this population? • observed dominant allele (A) frequency: • observed recessive allele (a) frequency: What are the observed genotype frequencies for this population? • observed homozygous dominant (AA) genotype frequency: • observed heterozygous (Aa) genotype frequency: • observed homozygous recessive (aa) genotype frequency:...
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