Please answer questions below. How do the allelic frequencies of generations 9 to 11 compare with those in generations 1, 2, and 3? How do the allelic frequencies of generations 9 to 11 compare with each other?Cite instances in the natural setting where the phenomenon of genetic drift occurs. Table 1. Observed genotypic frequencies 1, 2, and 3 produced by the bead modelGeneration 1Generation 2Genotypic Number and(Frequency)Aa(11)(12)aaGenotypic Number and(Frequency)Aa(23)(21) (18) 43Generation 3aaAllelicFrequency(15)AAllelicFrequencyA5747a53Genotypic Number and(Frequency)AaAA(15)aa(22) (13)AllelicFrequency52a48 Table 7. Observed genotypic frequencies for generations 9, 10, and 11 produced by the beadmodelGenotypic Number and(Frequency)AaAA(2)AA(2)(2)Generation 9(3)aaGenotypic Number and(Frequency)Aa(1)Generation 11aa(5)AllelicFrequencyA6a74AllelicFrequency13Generation 10Genotypic Number and(Frequency)Aa(3)aa(3) (4)AllelicFrequencyaa11

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The allele is the alternative form of a gene. There are two types of alleles: recessive and…

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Please answer questions below. How do the allelic frequencies of generations 9 to 11 compare with those in generations 1, 2, and 3? How do the allelic frequencies of generations 9 to 11 compare with each other? Cite instances in the natural setting where the phenomenon of genetic drift occurs.

Please answer questions below. How do the allelic frequencies of generations 9 to 11 compare with those in generations 1, 2, and 3? How do the allelic frequencies of generations 9 to 11 compare with each other? Cite instances in the natural setting where the phenomenon of genetic drift occurs.

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter13: Observing Patterns In Inherited Traits

Section: Chapter Questions

Problem 6SQ: Refer to question 5. Assuming complete dominance, the F2 generation will show a phenotypic ratio of...

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. Assuming no involvement of the Bombay phenotype(in case you’ve already read ahead to Section 3.2):a. If a girl has blood type O, what could be the genotypes and corresponding phenotypes of her parents?b. If a girl has blood type B and her mother has bloodtype A, what genotype(s) and correspondingphenotype(s) could the other parent have?c. If a girl has blood type AB and her mother is alsoAB, what are the genotype(s) and correspondingphenotype(s) of any male who could not be thegirl’s father?
Repeat this process for the following genotypic frequencies for the presence or absence of mid-digital hair by a typical 1407 class: Frequency of homozygous dominants (HH, mid-digital hair present): 0.21 Frequency of heterozygous individuals (Hh, mid-digital hair present): 0.16 Frequency of homozygous recessives (hh, no mid-digital hair): 0.63 Total No. of alleles present: _____________ Number of dominant alleles possessed by homozygous dominants: _____________ Number of recessive alleles possessed by homozygous recessives: _____________ Number of dominant alleles possessed by heterozygotes: _____________ Number of recessive alleles possessed by heterozygotes: _____________ Total number of dominant alleles in the population: _____________ Frequency of the dominant allele (H) in the population: _____________ Frequency of the recessive allele (h) in the population: _____________
Using the HardyWeinberg Law in Human Genetics Suppose you are monitoring the allelic and genotypic frequencies of the MN blood group locus (see Question 2 for a description of the MN blood group) in a small human population. You find that for 1-year-old children, the genotypic frequencies are MM = 0.25, MN = 0.5, and NN = 0.25, whereas the genotypic frequencies for adults are MM = 0.3, MN = 0.4, and NN = 0.3. a. Compute the M and N allele frequencies for 1-year-olds and adults. b. Are the allele frequencies in equilibrium in this population? c. Are the genotypic frequencies in equilibrium?
Refer to question 5. Assuming complete dominance, the F2 generation will show a phenotypic ratio of ________. a. 3:1 b. 9:1 c. 1:2:1 d. 9:3:3:1 Question No. 5 5. The offspring of the cross AA aa are ________. a. all AA b. all aa c. all Aa d. half are AA and half are aa
Use the probability method to calculate the genotypes and genotypic proportions of a cross between AABBCc and Aabbcc parents.
Consider the following scenario: A man without freckles (freckles are a dominant trait, determined by the dominant allele “F”) is a carrier of cystic fibrosis (recall that CF is a recessive trait, determined by the recessive allele "a"), mates with a woman whose genotype is heterozygous for freckles and is also a carrier of CF. Assume the two genes in question are in different chromosomes and, therefore, assort independently. Complete the following Punnett square to generate the offspring probabilities from this couple, by entering the genotypes of the parents, the gametes, and the offspring for the two traits described above. (4) Father’s genotype ffAa Mother’s genotypeFfAa ● Sperm: fA ● Sperm: fa ● Sperm: fA ● Sperm: fa ● Egg: FA ● Egg: fA ● Egg: Fa ● Egg: fa What is the probability for this couple to have a child with freckles? What is the…
1) If TT is mated with Tt, how many of the offspring will genotypically turn out as tt? 2) If TT is mated with Tt, how many of the offspring will phenotypically turn out as t ?
Given the allelic frequency of A = .5 , answer the following 1. What is the homozygous dominant frequency ? 2. What is the allellc of a? 3. What is the heterozygous frequency ?
The Delacour family is descended from the Veela race, a semi-human, semi-magical humanoid people reminiscent of the Sirens in Greek mythology with special powers. Imagine that being a Veela and having these powers is a X-Linked Dominant trait that is passed on genetically. (Hint: Use the Punnett Square.) What are the possible genotypes for Fleur and Bill’s daughter, Victoire? What are the genotypic frequencies related to the female children (in percentage format)? What is the likelihood (in percentage format) that Victoire would express Veela powers?
Written Response 1a) Identify the genotypes of individuals ii-1, ii-4, iii-4, and IV-1. b) If individual III-9 and individual III-10 have another child, what is the probability that this child will have normal colour vision? Sketch a punnett square to support your answer (be creative -- you can type this up on the computer) c) Determine the frequency of the achromatopsia allele in the population illustrated in the pedigree. Round your answer to three decimal places. Show your work.
a. Alleles of genes on the X chromosome can also be atequilibrium, but the equilibrium frequencies underthe Hardy-Weinberg assumptions must be calculatedseparately for the two sexes. For a gene with two alleles A and a at frequencies of p and q, respectively,write expressions that describe the equilibrium frequencies for all the genotypes in men and women.b. Approximately 1 in 10,000 males in the UnitedStates is afflicted with hemophilia, an X-linkedrecessive condition. If you assume that the population is at Hardy-Weinberg equilibrium, what proportion of American females would be hemophiliacs?About how many female hemophiliacs would youexpect to find among the 170 million women livingin the United States? (Assume that all females withhemophilia are homozygous for the disease allele.)
****Note for question 1 - you have been given the frequency of the two alleles (dominant and recessive = p + q=1) and you are using those allele frequencies to calculate the genotype frequencies. p2 + 2pq + p2