Biol 1050 Quiz 11 Electrophoresis & Evolution

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Anonymous
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312163
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Biol 1050 Quiz 11 Electrophoresis & Evolution
Updated:
2015-11-27 01:10:59
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biology 1150 quiz electrophoresis evolution
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science,biology
Description:
Notes for the 11th quiz
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  1. T/F: DNA is slightly (-) in charge
    True
  2. What is the amplicon size for bli-1?
    1055 bp
  3. What does bp mean?
    Base pair
  4. What voltage was used & for how long?
    • 130V
    • 45 minutes
  5. Define: Evolution
    A process that results in a pattern we can see
  6. What are the 5 Basic Observations that Darwin noted?
    • 1) Diversity in population
    • 2) Heritability
    • 3) Many offsprings
    • 4) Limited resources --> limited survival
    • 5) Natural populations are of constant size
  7. What are the 2 Inferences from the 5 Observations Darwin made?
    • Inference #1: Individuals w/ better traits leave more offsprings
    • Inference #2: Unequal ability to survive & reproduce --> accumulation of favorable traits in the population over generations
  8. Define: Natural selection
    Selecting for or against traits present in a population
  9. Define: Local environment
    Determine which traits are adaptations
  10. Define: Fitness
    The ability to survive/reproduce
  11. T/F: Populations evolve over time
    True
  12. T/F: Natural selection cannot create new traits
    True
  13. T/F: N.S. ↑ or ↓ abundance of a particular trait in a population
    True
  14. T/F: Adaptations vary w/ diff. environments
    True
  15. Define: Adaptation
    A trait that improves survival & reproduction in a given environment

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