Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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- The table below records information on a gene with two alleles, Z and Y, in four different populations. Use this information to answer the following questions. If migration were occurring between populations C and D, what do you predict the frequency of Z ought to be, based on the conditions given in the table? Population Frequency of allele Z Population size Fitness of ZZ Fitness of ZY Fitness of YY A 1.0 200 0.84 0.84 1.0 B 0 320,000 0.84 0.84 1.0 C 0.93 130,000 0.84 0.84 1.0 D 0.99 1,450,000 1.0 1.0 0.62 If migration were occurring between populations C and D, what do you predict the frequency of Z ought to be, based on the conditions given in the table? Group of answer choices A.) 0 B.) greater than 0 C.) 1.0 D.) randomarrow_forwardThe table below records information on a gene with two alleles, Z and Y, in four different populations. Use this information to answer the following questions. Assuming no migration between populations C and D, what do you predict the frequency of Z ought to be in population C, based on the conditions given in the table? Population Frequency of allele Z Population size Fitness of ZZ Fitness of ZY Fitness of YY A 1.0 200 0.84 0.84 1.0 B 0 320,000 0.84 0.84 1.0 C 0.93 130,000 0.84 0.84 1.0 D 0.99 1,450,000 1.0 1.0 0.62 Group of answer choices A.) 1.0 B.) 0 C.) 0.93 D.) 0.99arrow_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_forward
- A difference in survival and reproduction among members of a population that vary in one or more traits is called ________.arrow_forwardThe Hardy-Weinberg principle states that allele and genotype frequencies remain constant from one generation to the next, as long as specific conditions are met. Choose Yes or No for the conditions that must be met from the providied statement below. 1. Mutations are exponentially occuring 2. All member of the population breed 3. Everyone produces the same number of offspring 4. The population is infinitely large 5. There is no migration in or out of the population 6. No net mutations are occuring 7. Natural selection of beneficial traits is occuring 8. Natural selection is not occuring 9. All mating is completely random 10. Offspring are able to migrate out of the populationarrow_forwardBelow is a plot of genotype frequencies in a population. Assuming the population is in Hardy-Weinberg equilibrium, what is the probability that any given individual will have the m allele? 0.8 0.6 0.4 0.2 0.0 BB Bb bbarrow_forward
- A population is currently in Hardy-Weinberg equilibrium with respect to the A locus. If (positive) assortative mating occurs for one generation, the expected outcome is an increase in the frequency of the OA allele. a allele. homozygous genotypes (A/A and a/a). O heterozygous genotype (A/a).arrow_forwardWhat is a cline? A. A gradual change in genetic or phenotypic characteristics of a population within a set geographic space. B. A gradual change in genetic or phenotypic characteristics of a population over geographic space. C. Similar genetic or phenotypic characteristics of a population within the same geographic space. D. Discrete changes in genetic or phenotypic characteristics of a population over geographic space.arrow_forwardWhat is a cline? A. Discrete changes in genetic or phenotypic characteristics of a population over geographic space. B. Similar genetic or phenotypic characteristics of a population within the same geographic space. C. A gradual change in genetic or phenotypic characteristics of a population over geographic space. D. A gradual change in genetic or phenotypic characteristics of a population within a set geographic space.arrow_forward
- The table below records information on a gene with two alleles, Z and Y, in four different populations. Use this information to answer the following questions. Based on the table, which of the following statements is true? Population Frequency of allele Z Population size Fitness of ZZ Fitness of ZY Fitness of YY A 1.0 200 0.84 0.84 1.0 B 0 320,000 0.84 0.84 1.0 C 0.93 130,000 0.84 0.84 1.0 D 0.99 1,450,000 1.0 1.0 0.62 A.) populations C's allele frequencies are mainly driven by genetic drift B.) Mutation rates are high in population D C.) natural selection is favoring allele A in population C D.) migration is occuring between populations C and Darrow_forwardConsider a gene with two alleles, C and M. The table below describes fitness for different genotypes in two populations. Fitness CC CM MM Population 1 1.0 1.0 0.6 Population 2 0.9 0.9 1.0 Assume that both populations begin with frequencies of 0.5 for each allele, population size is infinite, and there is no migration between populations. Would you predict that either allele would become fixed in either population?arrow_forwardWhich of the following populations is not in Hardy-Weinberg equilibrium? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a. A population with 23 homozygous recessive individuals (yy), 7 homozygous dominant individuals (YY), and 4 heterozygous individuals (Yy) b. A population that receives new individuals from a normally distant population. c. q + p = 1 d. A population in which the allele frequencies do not change over timearrow_forward
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