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- 1.) Which statement below is not consistent with a population in Hardy-Weinberg equilibrium? A.) Genetic drift is occuring. B.) Random mating is occuring. C.) Population size is large. D.) Migration is not occuring. 2.) Sickel cell anemia is an autosomal recessive genetic disorder. Because individuals affected by sickle cell anemia have defective hemoglobin proteins, their blood cannot transport oxygen properly. There appears to be a relationship between the incidence of malaria and sickle cell anemia. Individuals with sickle cell anemia are carriers of the sickle cell allele have some resistance to malaria. Malaria is caused by the parasite Plasmodium and is transmitted between humans by mosquitoes.” If scientists are successful in significantly reducing or eliminating malaria, the best prediction for what will happen to the allele for sickel cell anemia in the population is that it will: A.)not be affected by the elimination by malaria. B.) increase as its selective advantage…would the heritability of human height in native Hawaiians different from the height of Lithuanians? 1) no since both of them are in different racial groups 2) yes since the genetic diversity and the environment influences are different in both groups 3) yes, the sample size in the study is not the same 4) no because heritability is homogenous across all subpopulations.a) How many of the gene trees do you expect to look like the species tree? b) You observe three gene trees in which species X and Z are the closest relatives and seven gene trees where X and Y are the closest relatives. What can you conclude from these data? Group of answer choices Historical hybridization between species W and X Historical hybridization between species X and Y Historical hybridization between species X and Z Historical hybridization between species Y and Z
- In plants, violet flower color (V) is dominant over white (v). If p = 0.8 and q = 0.2 in a population, what percentage of the flowers would you expect to be homozygous dominant (VV)? Assume this population is in Hardy-Weinberg equilibrium. a)80% b) 64% c) 32% d) 4%A founder population of interesting creatures is established, and the average probability of identity by descent is calculated for each subsequent generation as follows: Generation F 1 0.05 2 0.0975 3 0.142625 4 0.2283625 a) What are the effective population sizes Ne for each Generation 1 through 4, relative to Generation 0 (the founder population)? b) What is the effective population size of Generation 4 relative to Generation 3? c) Is there any evidence for changes in population size after the founder event, and if so, at which generation did the size change in the number of breeding individuals occur?Rocky Mountain juniper (Juniperus scopulorum) and one-seeded juniper (J. monosperma) have overlapping ranges. If pollen grains from one species are unable to fertilize the female ovules of the other species, then which of these terms are applicable? 1.sympatric species 2.prezygotic isolation 3.postzygotic isolation 4.allopatric species 5.habitat isolation 6.reduced hybrid fertility Question 11 options: 2 and 4 2, 4, and 5 1, 2, 5, and 6 1 and 2 1, 3, and 6
- Can someone please help me with 2 multiple choice question, please choose the best that fits, Thank you 1)In which of the following situation would you expect to find the largest number of K-selected individuals? A) temporary pools that form afer rain showers but dry up within 2-4 weeks B) sand dunes that shift continually with the wind C) a prairie(grassland) ecosystem right after a fire D)a temperature stable lake that has existed in the same location for many generations 2)The greastes effect that hmans have on the carbon cycle derives from A) the production of methane from domestic cattle B) all of these C) the production of CFCs D) runoff of fertilizers from agriclture E) the burning of fossil fuelsCan someone please help me with multiple choice question, please choose the best that fits, Thank you 1)In which of the following situation would you expect to find the largest number of K-selected individuals? A) temporary pools that form afer rain showers but dry up within 2-4 weeks B) sand dunes that shift continually with the wind C) a prairie(grassland) ecosystem right after a fire D)a temperature stable lake that has existed in the same location for many generationsIn a population of 12,500 jewel beetles that is in H-W equilibrium, 1280 beetles show the recessive green wing coloration, while the remaining beetles show the dominant blue wing colour. a) What are the frequencies of the blue and green wing alleles in this population? Enter allele frequencies to two decimal places. p= q= b) How many jewel beetles in this population are homozygous for the dominant allele? c) If you collected a second sample of 3125 jewel beetles, how many of the blue beetles would you expect to be heterozygous?
- Which of the following is TRUE in a population in Hardy-Weinberg equilibrium? a) The genotype that has the greatest selective advantage (i.e. evolutionary benefit) will increase in frequency over generations. O b) The genotype and allele frequency will remain nearly constant over generations. O c) The rate of mutation and the rate of migration are roughly equal. O d) The population will drastically decrease in size as the result of a bottleneck event.a.) In either a secondary or a primary hybrid zone, what do the graphs above indicate about the relative fitness of the hybrid toads away from the 0-kilometer site on the cline? Why? b.) One explanation for the “stepped cline” in both gene frequencies and morphology is that B. bombina and B. variegata first diverged in allopatry and are now forming a secondary hybrid zone. Is the spatial pattern of genetic and morphological variation consistent with this explanation? Why or why not? c.) What would have to be true for the ecological niches of these two-color forms of toad for disruptive selection to be acting on so many loci in parapatry?a. Population - Parent Generation i) What is the blue phenotype frequency? ii) What is the Aa genotype frequency? iii) What is the A allele frequency? b. Population 2 - Offspring of parent generation above i) What is the blue phenotype frequency? ii) What is the Aa genotype frequency? iii) What is the A allele frequency? c. Is this population evolving? Please explain why or why not. AA AA Aa AA AA Aa Aa Aa Aa Aa Aa Aa aa aa aa aa Aa Aa