match the following: ______ Adaptation a. random change in allele frequencies in a population ______ Mutation b. trait that allows an organism to survive in their environment ______ Genetic Drift c. Surviving members have different allele frequencies ______ Founder Effect d. Variation, competition and adaptation are necessary ______ Population Bottleneck e. change in a base pair of DNA that may affect an individual’s fitness ______ Natural Selection f. Founding members of a population having unique allele frequencies

match the following: Adaptation a. random change in allele frequencies in a population Mutation b. trait that allows an organism to survive in their environment Genetic Drift c. Surviving members have different allele frequencies Founder Effect d. Variation, competition and adaptation are necessary Population Bottleneck e. change in a base pair of DNA that may affect an individual’s fitness Natural Selection f. Founding members of a population having unique allele frequencies

Name: match the following:______ Adaptation a. random change in allele frequ
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Description: match the following:______ Adaptation a. random change in allele frequencies in a population______ Mutation b. trait that allows an organism to survive in their environment______ Genetic Drift c. Surviving members have different allele frequencies__

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter19: Evolutionary Change In Populations

Section: Chapter Questions

Problem 1TYU: The genetic description of an individual is its genotype, whereas the genetic description of a...

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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 .
3) Movement of alleles between populations is called _____ and results in _____. a.genetic equilibrium; decreased genetic differences between populations b.genetic drift; increased genetic differences between the populations c.gene flow; increased genetic differences between the populations d.genetic drift; decreased genetic differences between the populations e.gene flow; decreased genetic differences between the populations
Genetic drift can be defined as Group of answer choices A. accidental changes in DNA structure b.how lazy loci evolve c. random change in allele frequency over time D. differences in fitness between alleles
In a population of 643 mice, 124 had white coat colour (a recessive trait) while the rest had black coat colour (a dominant trait). What is the frequency of individuals heterozygous for coat colour? (Record your answer as a decimal between 0 and 1, rounded to THREE decimal places) Answer:
Sickle 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 selection
Which of the following statements describes an example of genetic drift?a. Allele g for fat production increases in a small population because birds with more bodyfat have higher survivorship in a harsh winter.b. Random mutation increases the frequency of allele A in one population but not inanother.c. Allele R reaches a frequency of 1.0 because individuals with genotype rr are sterile.d. Allele m is lost when a virus kills all but a few individuals and just by chance, none ofthe survivors possess allele m.
Adaptation can best be described as A. The change in the genetic characteristics of a population of organisms over time B. Evolutionary changes on a large scale C. Gives us Genotype frequency of a population that is not evolving D. Any feature of the organism that leads to improvement in performance in the environment
Evidence that populations change in characteristics over time includes ___. a. Guppies transferred from ponds with predators to ponds without predators became more brightly colored b. drug resistance in bacterial diseases like tuberculosis becoming more common c. fruit flies in jars with alcohol in the food will increase in fast alcohol dehydrogenase alleles after a few generations d. Cholera outbreaks became more deadly after the industrial revolution when people started to live in crowded cities e. all of the above are examples of evolution
Define a. mutation b. natural selection c. founder effect d. bottleneck e. gene flow f. nonrandom mating
Why did dark-colored rock pocket mice first appear in a population of light-colored rock pocket mice? Group of answer choices A. The rock pocket mice have a mutation in a gene that leads to the dark fur color. B. Individuals change color to blend in with the environment C. Predators eat light-colored rock pocket mice. D. There is dark lava rock in the area where they live E. All of the answers are correct F. None of the answers are correct
In what situation would the allele frequency of a population NOT change? A. when individuals move into or out of an environment B. when there is no evolution C. when mutations create new alleles D. when individuals choose their mates P3-2022 International Academy of Science. All Rights Reserved. O H 4+ 144 88°F Mostly sunny 441 12 +
1. Animals that possess homologous characteristics Group of answer choices a. by chance had the same mutations in the past b. share a common ancestor that also had the characteristic c. are less related than if the characteristics were homoplastic d. evolved the characteristics independently e. are not related 2. In a population of Scrub Jays, the frequency of a recessive allele that results in short tail feathers in homozygous individuals is 0.5. When you survey the population for tail phenotypes, you find that 70 percent of adult scrub jays have short tail feathers. What is most likely true based on these numbers? Group of answer choices a.Short tail feathers appear to be neither helpful nor harmful in this population b.The population is Hardy-Weinberg equilibrium for this trait c. The short tail feathers are likely maladaptive and are allowing predators to capture the scrub-jays d. Having short tail feathers in this population is in…