Concepts of Genetics (11th Edition)
Concepts of Genetics (11th Edition)
11th Edition
ISBN: 9780321948915
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino
Publisher: PEARSON
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Chapter 25, Problem 24PDQ

To increase genetic diversity in the bighorn sheep population described in Problem 23, ten sheep are introduced from a population where the c allele is absent. Assuming that random mating occurs between the original and the introduced sheep, and that the c allele is selectively neutral, what will be the frequency of c in the next generation?

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A population sample of 300 individuals is studied for the electrophoretic mobility of an enzyme that varies according to the genotype determined by 2 alleles, E and T of a single gene. The results are 7 individuals with genotype EE, 106 with genotype ET, and 187 with genotype TT. What are the allele frequencies of E and T, and what are the expected numbers of the 3 genotypes if random mating is assumed?
You are a scientist studying a population of beetles. Beetle color is controlled by two alleles at a single genetic locus. AA beetles are blue, Aa purple, and aa pink. You count 30 blue beetles, 10 purple beetles, and 40 pink beetles. a) What is the frequency of the A allele? [ Select ] b) What is the observed frequency of the Aa genotype? 1 Select ] c) Under Hardy-Weinberg equilibrium, what is the expected frequency of the aa gentoype? [ Select ] d) Is this beetle population evolving? I Select ]
A population of mealworm beetles (Tenebrio molitor) called the founder generation-consisting of 150 Black (MM) individuals, 100 Brown (Mm) individuals and 250 Orange (mm) individuals-is established on a remote region of Puerto Rico. Mating within this population occurs at random, the three genotypes are selectively neutral and mutations occur at a negligible rate. (a) What are the frequencies of alleles M and m in the founder generation? Frequency of allele M= Frequency of allele m= (b) Calculate p2, 2pq, q2 and the expected number of MM individuals, Mm individuals, and mm individuals in the population, assuming that the population is in Hardy-Weinberg equilibrium

Chapter 25 Solutions

Concepts of Genetics (11th Edition)

Ch. 25 - The genetic difference between two Drosophila...Ch. 25 - The use of nucleotide sequence data to measure...Ch. 25 - The ability to taste the compound PTC is...Ch. 25 - Prob. 7PDQCh. 25 - What must be assumed in order to validate the...Ch. 25 - In a population where only the total number of...Ch. 25 - Determine whether the following two sets of data...Ch. 25 - If 4 percent of a population in equilibrium...Ch. 25 - Consider a population in which the frequency of...Ch. 25 - If the initial allele frequencies are p = 0.5 and...Ch. 25 - Under what circumstances might a lethal dominant...Ch. 25 - Assume that a recessive autosomal disorder occurs...Ch. 25 - One of the first Mendelian traits identified in...Ch. 25 - Describe how populations with substantial genetic...Ch. 25 - Achondroplasia is a dominant trait that causes a...Ch. 25 - Prob. 19PDQCh. 25 - Prob. 20PDQCh. 25 - A botanist studying water lilies in an isolated...Ch. 25 - A farmer plants transgenic Bt corn that is...Ch. 25 - In an isolated population of 50 desert bighorn...Ch. 25 - To increase genetic diversity in the bighorn sheep...Ch. 25 - What genetic changes take place during speciation?Ch. 25 - Some critics have warned that the use of gene...Ch. 25 - A form of dwarfism known as Ellisvan Creveld...Ch. 25 - Prob. 28ESPCh. 25 - What are the two groups of reproductive isolating...Ch. 25 - The original source of new alleles, upon which...Ch. 25 - A number of comparisons of nucleotide sequences...Ch. 25 - Shown below are two homologous lengths of the...Ch. 25 - Recent reconstructions of evolutionary history are...Ch. 25 - Prob. 34ESP
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