Genetic drift - Study guides, Class notes & Summaries

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Bio 212 Final Exam Questions With Complete Solutions
  • Bio 212 Final Exam Questions With Complete Solutions

  • Exam (elaborations) • 41 pages • 2024
  • evolution Correct Answer-change in the genetic composition of a population from generation to generation descent with modification Correct Answer-the passing on of traits from parent organisms to their offspring Microevolution Correct Answer-evolutionary change within a species or small group of organisms, especially over a short period. genetic drift Correct Answer-random change in allele frequencies that occurs in small populations natural selection Correct Answer-A natural process...
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UCONN BIOLOGY 1108 EXAM 1 QUESTIONS AND CORRECT ANSWERS 2024/2025 GRADED A+.
  • UCONN BIOLOGY 1108 EXAM 1 QUESTIONS AND CORRECT ANSWERS 2024/2025 GRADED A+.

  • Exam (elaborations) • 17 pages • 2024
  • UCONN BIOLOGY 1108 EXAM 1 QUESTIONS AND CORRECT ANSWERS 2024/2025 GRADED A+. 2 / 10 1. A scientific theory:: - Is built using inductive logic - Is 'unprovable but falsifiable' - Describes a lot with just a little (a model of few parts) - Makes predictions aboutfuture observations - Scientific Method (Lab this week!) 2. Genetic variation:: differences in DNA sequences 3. What can cause genetic variation?: A mutation... - Somatic - Germ-lineand they can be: - Deleterious - Neutral ...
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McMaster Bio 1M03: Exam 2024/2025 Questions with all the correct Answers (Real Actual Exam).
  • McMaster Bio 1M03: Exam 2024/2025 Questions with all the correct Answers (Real Actual Exam).

  • Exam (elaborations) • 20 pages • 2024
  • McMaster Bio 1M03: Exam 2024/2025 Questions with all the correct Answers (Real Actual Exam). Why might Pasteur's experiment be inconclusive? - ANS - The swan-necked flask broth may not support cell growth, or the broth was poisoned. Experiment did not confirm hypothesis that all cells come from pre-existing cells Why are replicates important in experiments? - ANS - To ensure that results were not achieved by random chance What is the definition of a replicate? - ANS - Unit that shares a c...
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Binghamton Bio 114 Exam 2 Questions  and Answers Already Passed
  • Binghamton Bio 114 Exam 2 Questions and Answers Already Passed

  • Exam (elaborations) • 16 pages • 2024
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  • Binghamton Bio 114 Exam 2 Questions and Answers Already Passed Genetic Drift Refers to the ongoing variation in allele frequencies within a population over time due to random mating events. Genetic drift causes allele frequencies to fluctuate randomly. Random Mating Influences allele frequencies by altering how often specific alleles appear within a population. This process is inherently unpredictable, with allele frequencies increasing or decreasing randomly. Bottlenecks O...
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Bio 152- Evolution Exam Questions with Complete Solutions
  • Bio 152- Evolution Exam Questions with Complete Solutions

  • Exam (elaborations) • 38 pages • 2024
  • Natural Selection is: CORRECT ANSWER a process leading to differential reproductive successes among members of a population Cactus-like plants adapted for desert or dry environments are succulent (have fleshy, juicy stems) and have spines (modified leaves). Succulents can be found to occur around the world, but are classified into a number of very different families of plants based on other characteristics. That so many different kinds of succulents exist is an example of: CORRECT ANSWER conv...
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Marine Biology 250 (Exam 1, 2, and Review) || with Errorless Solutions 100%.
  • Marine Biology 250 (Exam 1, 2, and Review) || with Errorless Solutions 100%.

  • Exam (elaborations) • 27 pages • 2024
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  • What requirements must be met in order for natural selection to occur? Think of traits. a. Variable and responsive to environmental changes b. Beneficial and heritable c. Heritable and adaptive d. Adaptive and allow for acclimatization correct answers B What is the ultimate source of genetic variation in a population? a. Natural selection b. Mutation c. Migration d. Drift e. Reproduction correct answers B Which of the following scenarios is an example of genetic ...
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McMaster Bio 1M03: Exam 2024/2025 Questions with all the correct Answers (Real Actual Exam).
  • McMaster Bio 1M03: Exam 2024/2025 Questions with all the correct Answers (Real Actual Exam).

  • Exam (elaborations) • 20 pages • 2024
  • McMaster Bio 1M03: Exam 2024/2025 Questions with all the correct Answers (Real Actual Exam). Why might Pasteur's experiment be inconclusive? - ANS - The swan-necked flask broth may not support cell growth, or the broth was poisoned. Experiment did not confirm hypothesis that all cells come from pre-existing cells Why are replicates important in experiments? - ANS - To ensure that results were not achieved by random chance What is the definition of a replicate? - ANS - Unit that shares a c...
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Bio 152 Final Exam || A Verified A+ Pass.
  • Bio 152 Final Exam || A Verified A+ Pass.

  • Exam (elaborations) • 28 pages • 2024
  • What are the elements of scientific inquiry? correct answers Observation Question Hypothesis Predictions Experimental/Observational Study Analyze Results Conclusion Control group correct answers Must be in the same environment as the experimental group Matched with the experimental group except for one experimental variable Evolution correct answers life on Earth changing over time change in allele frequencies in a population over time What mechanisms can cause evolutionary chan...
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Biology 112 Exam 4-Marvin Latest  Update Graded A+
  • Biology 112 Exam 4-Marvin Latest Update Graded A+

  • Exam (elaborations) • 18 pages • 2024
  • Biology 112 Exam 4-Marvin Latest Update Graded A+ What process do plants use to convert sunlight into chemical energy? Plants use photosynthesis to convert sunlight into chemical energy in the form of glucose. How do herbivores obtain energy from plants? Herbivores obtain energy by consuming plant material, breaking it down in their digestive systems to extract nutrients. What role do decomposers play in an ecosystem? Decomposers break down dead organic matter, recycling nutrient...
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BIOL 3315 Exam 1 Review University of Texas, Arlington 2024
  • BIOL 3315 Exam 1 Review University of Texas, Arlington 2024

  • Exam (elaborations) • 9 pages • 2024
  • Chapter 1 Quiz Questions: • Central dogma: DNA -> RNA -> protein • Modern synthesis - merges evolutionary theory with experimental mathematical, and molecular population biology. • Watson and Crick - proposed accepted model for the structure of DNA • What evolutionary process can lead to genetic change in the populations/evolution? ○ Mutation, genetic drift, migration, and natural selection • Genetics is the science of heredity and variation • To what strand end is the...
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