EBK BIOLOGY
4th Edition
ISBN: 8220102797376
Author: BROOKER
Publisher: YUZU
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Textbook Question
Chapter 24, Problem 10TY
Populations that experience inbreeding may also experience
- a. a decrease in fitness due to an increased frequency of recessive genetic diseases.
- b. an increase in fitness due to increases in heterozygosity.
- c. very little genetic drift.
- d. no apparent change.
- e. increased mutation rates.
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Chapter 24 Solutions
EBK BIOLOGY
Ch. 24.1 - Prob. 1CCCh. 24.2 - Prob. 1CCCh. 24.2 - Prob. 2CCCh. 24.2 - Prob. 3CCCh. 24.3 - Prob. 1CCCh. 24.3 - Prob. 1EQCh. 24.3 - Prob. 2EQCh. 24.3 - Prob. 3EQCh. 24.4 - Genetic Drift Concept Check: How does the...Ch. 24.4 - Prob. 1BC
Ch. 24.5 - Prob. 1CCCh. 24.5 - Prob. 1BCCh. 24 - Population geneticists are interested in the...Ch. 24 - The Hardy-Weinberg equation characterizes the...Ch. 24 - Prob. 3TYCh. 24 - Prob. 4TYCh. 24 - Prob. 5TYCh. 24 - Prob. 6TYCh. 24 - Prob. 7TYCh. 24 - Prob. 8TYCh. 24 - Kimuras proposal regarding neutral variation...Ch. 24 - Populations that experience inbreeding may also...Ch. 24 - Prob. 1CQCh. 24 - Prob. 2CQCh. 24 - Prob. 3CQCh. 24 - Antibiotics are commonly used to combat bacterial...Ch. 24 - Discuss die similarities and differences among...
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- Migration of individuals from a mainland population to a unique island population will result in… a. homogenization of allele frequencies between the two populations. b. isolation and bottleneck effect. c. increased homozygosity in both populations. d. increased population differentiation between the two populations.arrow_forwardWhich of the following accurately describes human genetic variation relative to the amount of variation found in other species? Group of answer choices A. low and mostly occurs within populations B. high and mostly occurs between populations C. non-existent, humans are all clones D. high and mostly occurs within populations E. low and mostly occurs between populationsarrow_forwardPopulation genetics is the study of: a. how selective forces change the allele frequencies in a population over time b. the genetic basis of population-wide traits c. whether traits have a genetic basis d. the degree of inbreeding in a populationarrow_forward
- Define gene mutation Group of answer choices A. the process whereby organisms better adapted to their environment tend to survive and produce more offspring. B. the introduction of genetic material (by interbreeding) from one population of a species to another, thereby changing the composition of the gene pool of the receiving population C. variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce. D. A rare and random change in a gene that can be bad or benef icial depending on the environment .arrow_forwardSickle cell anemia is maintained in human populations because individuals with a single copy of the sickle cell allele have resistance to malaria but lack the health problems of individuals with two copies of the allele. Variation at the sickle cell locus is maintained by which of the following? Group of answer choices A. heterozygote advantage B. random change in allele frequency C. mutation selection balance D. frequency dependent selectionarrow_forwardWhich of the following statements correctly describes inbreeding? A. Inbreeding increases the frequency of genotypes with homozygous alleles in a population. B. Inbreeding results from dissassortative mating. C. Inbreeding changes the allele frequencies in a population. D. Inbreeding increases the frequency of harmful phenotypes caused by dominant alleles in the population.arrow_forward
- Describe what happens to allele frequencies as a result of the bottleneck effect. Discuss the relevance of this effect with regard to species that are approaching extinction.arrow_forwardA very large population of randomly-mating laboratory mice contains 35% white mice. White coloring is caused by the recessive genotype, "aa". Calculate the frequency of the homozygous dominant genotype (AA). * a. 5.9 % b. 17% c. 35% d. 41% e. 48% f. 59% g. 65% h. none of the choices A very large population of randomly-mating laboratory mice contains 35% white mice. White coloring is caused by the recessive genotype, "aa". Calculate the frequency of the dominant trait.* a. 5.9 % b. 17% c. 35% d. 41% e. 48% f. 59% g. 65% h. none of the choicesarrow_forwardWhich of the following statements is true about linkage disequilibrium? a. New alleles are born into a population in LE with the surrounding loci b. Genetic hitchhiking results from LD between surrounding loci and a locus under strong selection c. Loci in LE in two different populations with different allele frequencies will remain in LE when the two populations completely merge into a single population. d. The greater the selection on a locus, the smaller the haplotype block maintained around it e. D= 0.15 indicates that two loci are in greater LD than D= -0.23arrow_forward
- Hardy Weinberg equilibrium (HWE) describes a situation in which the relative frequencies of alleles do not change over generations. which of the following could prevent HWE from being maintained? A. New mutations B. All individuals reproducing equally C. Random mating D. No individuals entering the populationarrow_forwardAssuming a population is in Hardy-Weinberg equilibrium, an increase in the frequency of the p(A) allele from 0.6 to 0.9 would result in which of the following outcomes? a. A decrease in the number of homozygous dominant individuals within the population b. A decrease in the number of homozygous recessive individuals within the population c. An increase in the number of homozygous recessive individuals within the population d. An increase in the number of heterozygotes within the population e. No change in genotypic frequency within the populationarrow_forwardFor selective breeding to be successful, the starting populationmusta. have genetic variation that affects the trait of interest.b. be very large.c. be amenable to phenotypic variation caused by environmentaleffects.d. have very little phenotypic variation.arrow_forward
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