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The process by which humans selectively breed organisms for a favorable (for humans) character is Oa....
heterozygote disadvantage Natural selection is the process by which organisms with the best adapted phenotype are...
heterozygote disadvantage Natural selection is the process by which organisms with the best adapted phenotype are selected for by environmental conditions. anthropogenic events such as the use of DDT heterozygote advantage Allelic frequencies can change due to selection or they may change due to genetic drift. environmental conditions The process of natural selection relies on the presence of of a gene within a population. genetic drift Deleterious alleles may persist in the population particularly if they confer a single allele...
It is exceedingly rare for all the Hardy-Weinberg assumptions to be met in nature.
It is exceedingly rare for all the Hardy-Weinberg assumptions to be met in nature. Evolution is a change in allele frequencies in a population over time, so a population in Hardy-Weinberg equilibrium is not evolving. Match the following terms with the most correct statement. Each of these relates to evolutionary forces or conditions that violate the Hardy- Weinberg assumptions. (Each term only matches to one statement). Genetic drift - Migration - Inbreeding - 4 Mutation - Natural selection - Nonrandom mating a. Does...
1. Population is not used in describing species. Population is a group of organisms of the...
1. Population is not used in describing species. Population is a group of organisms of the same species populating a given area, a group of individuals of the same species that live in the same area and interbreed, producing fertile offspring. Interbreeding, sexual reproduction, natural selection and color are used in describing species. Individuals in an interbreeding population share in a common gene pool. My question is can you tell me how interbreeding, sexual reproduction, natural selection and color are...
1. a) Which factor had the greatest influence on the near extinction of the Illinois greater...
1. a) Which factor had the greatest influence on the near extinction of the Illinois greater prairie chicken? A. destruction of its natural habitat over the last 50 years due to uncontrolled fires B. heavy predation by prairie foxes in that state due to relaxed hunting laws C. higher than normal mortality rate over a 10-year period due to declining food sources D. lack of fertility within the population due to low genetic diversity b. Which of the following evolutionary...
Question 7 1 pts Which is the most likely reason that lactose tolerance alleles selectively swept...
Question 7 1 pts Which is the most likely reason that lactose tolerance alleles selectively swept through certain human populations? O Drinking lots of milk caused a greater mutation rate Lactose intolerance reduced reproduction Lactose tolerance had a large effect on survival o It was random which populations experienced the selective sweep o None of these reasons explains the selective sweep Question 8 1 pts Which of the following can be concluded from the Grant's long-term study of the medium...
13. Which of the following is the only evolutionary process that consistently produces adaptation? a. Genetic...
13. Which of the following is the only evolutionary process that consistently produces adaptation? a. Genetic drift b. Natural selection c. Gene flow d. Mutations 14. Which of the following is NOT a possible result when isolated populations come into contact? a. Dispersal b. Stability c. Reinforcement d. Fusion e. New Species 15. What is greater than mutations in producing variation in diploids? a, transformation b. sexual recombination c. natural selection d. punctuated equilibrium e. conjugation 16. Which type of...
Which of the following statements regarding the Hardy-Weinberg Equation is TRUE? Answers: It can only be u...
Which of the following statements regarding the Hardy-Weinberg Equation is TRUE? Answers: It can only be used when allele and genotype frequencies remain constant across generations in a population It can only be used when allele and genotype frequencies change across generations in a population It has no assumptions It mathematically shows how recessive alleles in a population decrease over time It reveals when allele frequencies change over time in a population Assuming Hardy-Weinberg Equilibrium, what percentage of individuals in...
6. One class of tool molecules built by biological organisms that we discussed are "catalysts." Which...
6. One class of tool molecules built by biological organisms that we discussed are "catalysts." Which of the following is the most accurate and complete statement about such biogenic catalysts? a. Biogenic catalysts allow reactions that could never occur (even occasionally) in their absence; thus, biological chemistry is qualitatively different than all non-biological chemistry. b. Biogenic catalysts dramatically accelerate a tiny subset of all possible chemical reactions that specifically serve the replication of the organism's design information; biological chemistry is,...
According to Robert Trivers, why are men generally larger and more physically aggressive than women? Because...
According to Robert Trivers, why are men generally larger and more physically aggressive than women? Because women are more reproductively “valuable” than men, hence competition for mates is fiercer among men Because men invest more heavily in reproduction than women Because men secrete more testosterone Trivers’ theory does not speculate on the origin of the sex difference in size and physical aggression Although some women are interested in casual sex (short-term mating), research has suggested that there are differences in...
heterozygote disadvantage Natural selection is the process by which organisms with the best adapted phenotype are selected for by environmental conditions. anthropogenic events such as the use of DDT heterozygote advantage Allelic frequencies can change due to selection or they may change due to genetic drift. environmental conditions The process of natural selection relies on the presence of of a gene within a population. genetic drift Deleterious alleles may persist in the population particularly if they confer a single allele...
Question 7 1 pts Which is the most likely reason that lactose tolerance alleles selectively swept through certain human populations? O Drinking lots of milk caused a greater mutation rate Lactose intolerance reduced reproduction Lactose tolerance had a large effect on survival o It was random which populations experienced the selective sweep o None of these reasons explains the selective sweep Question 8 1 pts Which of the following can be concluded from the Grant's long-term study of the medium...
13. Which of the following is the only evolutionary process that consistently produces adaptation? a. Genetic drift b. Natural selection c. Gene flow d. Mutations 14. Which of the following is NOT a possible result when isolated populations come into contact? a. Dispersal b. Stability c. Reinforcement d. Fusion e. New Species 15. What is greater than mutations in producing variation in diploids? a, transformation b. sexual recombination c. natural selection d. punctuated equilibrium e. conjugation 16. Which type of...
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