Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Chapter 19, Problem 17QP
Summary Introduction
Introduction: The Hardy-Weinberg law states that in the absence of other evolutionary influences the frequency of allele and genotypes or
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The Hardy Weinberg Equilibrium Principles assumes all of the following except_______
A. The genome has only one locus with two alleles
B. Large population size
C. Mutation rate=0.0
D. Absence of migration
E. All genotypes have egual fitness (w=1)
Please help with the following:
There are a number of evolutionary hypotheses that researchers have developed to better understand the high prevalence of complex diseases like type 2 diabetes and obesity across populations today. The best explanation for this high prevalence of complex diseases is:
A. Speakman's hypothesis
B. Meyer’s gene hypothesis
C. Thrifty gene hypothesis
D. Drifty gene hypothesis
E. Neel's hypothesis
The following are necessary for a population to be in Hardy-Weinberg Equilibrium except
The following are necessary for a population to be in Hardy-Weinberg Equilibrium except
A, no selection
B. very large population
C. non-random mating
D. no gene flow
E. no mutation
Chapter 19 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 19.8 - Why dont genetic markers on the Y chromosome...Ch. 19.8 - Prob. 2GRCh. 19 - If you suspected that heterozygous carriers of a...Ch. 19 - If allele frequencies in the hemoglobin gene are...Ch. 19 - Prob. 1QPCh. 19 - How Can We Measure Allele Frequencies in...Ch. 19 - How Can We Measure Allele Frequencies in...Ch. 19 - Prob. 4QPCh. 19 - Prob. 5QPCh. 19 - How Can We Measure Allele Frequencies in...
Ch. 19 - How Can We Measure Allele Frequencies in...Ch. 19 - How Can We Measure Allele Frequencies in...Ch. 19 - Using the HardyWeinberg Law in Human Genetics...Ch. 19 - Prob. 10QPCh. 19 - Using the HardyWeinberg Law in Human Genetics In a...Ch. 19 - Prob. 12QPCh. 19 - Measuring Genetic Diversity in Human Populations...Ch. 19 - Measuring Genetic Diversity in Human Populations...Ch. 19 - Prob. 15QPCh. 19 - Measuring Genetic Diversity in Human Populations...Ch. 19 - Prob. 17QPCh. 19 - Prob. 18QPCh. 19 - Measuring Genetic Diversity in Human Populations...Ch. 19 - Natural Selection Affects the Frequency of Genetic...Ch. 19 - Prob. 21QPCh. 19 - Prob. 22QPCh. 19 - The Evolutionary History and Spread of Our Species...Ch. 19 - Prob. 24QPCh. 19 - Genomics and Human Evolution The Denisovan genome...
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- Assuming that this population is randomly mating, the following relative fitnesses represent what kind of selection? p = f[A], q = f[a] Genotype Relative Fitness AA p2 Aa 0.5 aa q2 Select one: O a. Overdominant b. Underdominant O c. Positive Frequency Dependent O d. Negative Frequency Dependent O e. Balancing Of. Directional g. Two of the above. Based on the Evolutionary Pathways in Nature reading by John Avise, how many of the following statements are true? -Red pandas and giant pandas are not each other's closest relatives. - Both red pandas and giant pandas are ursids. - Eggs are unique to birds. - HIV-1 in humans is more closely related to SIV from chimpanzees than it is to HIV-2 in humans. Select one: O a. None of these statements are correct. O b. One statement is correct. Two statements are correct. O d. Three statements are correct. O e. All four statements are correct.arrow_forwardFixity of Species refers to… Group of answer choices A-the theory that species exist at a fixed location along a physiological continuum B-the fact that species are defined by fixed adaptations to their direct environment C-the theory presented by Thomas Malthus that population densities of any given species are most affected by mortality and fertility rates D-the pre-darwinian notion that species, once created, can never change E-the late 19th century concept that because mendelian traits are fixed they are evidence that variation within and between species are designed by God specifically for those speciesarrow_forwardDefine 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_forward
- Read the statement and state which evolution it is natural selection that leads to evolution of phenotypic differences A. Stabilizing selection b. Frequency dependent c. Sexual selection d. Diversifying seledtion e. Directional selectionarrow_forwardWhich one of the following is NOT a condition of Hardy-Weinberg equilibrium? A. no natural selection B. random mating C. no mutations D. a small population 89°F Mostly sunn 003-2022 International Academy of Science. All Rights Reserved. O d-arrow_forwardPlease provide the difference and similarites between the following and also provide explanation for each part. a. Population and gene pool b. Random mating and inbreeding c. natural selection and genetic drift. d. a polymorphic trait and a polymorphic genearrow_forward
- Which of the following DOES NOT alter a [population’s genetic composition? a. random mating b. natural selectionc. Inbreedingd. Gene flow from migration e. Genetic driftarrow_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_forwardPlease help with the following: The EDAR gene carries one of the most highly differentiated SNPs in the genome: Val370Ala nonsynonymous variant (rs3827760). This variant: A. has a very high frequency in native Australians B. appears to be the product of positive selection C. is a consequence of genetic drift D. shows no contemporary geographical variation E. appears to be the product of negative selectionarrow_forward
- New alleles are born into a population in.. O a. Linkage equilibrium via natural selection O b. Linkage equilibrium via mutation/drift O.Linkage disequilibrium via natural selection O d. Linkage disequlibrium via mutation/driftarrow_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_forwardThe Hardy-Weinberg theory can be applied only to a population Select one: a. in which migration occures b. Where mutations occur c. that is large in size d. Where mating is nonrandomarrow_forward
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