Unit 1 Quiz 4

11 Questions | Attempts: 12
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    Evolution are changes in ________ frequencies of a _________(of a particular species) gene pool over time. 

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  • 2. 

    The two types of evolution are _______ evolution and _______ evolution

  • 3. 

    A ___________ is when individuals of the same species are in the same place at the same time. 

  • 4. 

    The individual evolves over time. 

    • True

    • False

    Correct Answer
    A. False
  • 5. 

    The source of variation in a population for a trait is the _______ ___________. 

    Correct Answer
    allele frequency
    Explanation
    Allele frequencies add up to 1.0 .5 red flowers, .25 purple, .25 yellow flowers.

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  • 6. 

    We can record the change in allele frequency over time. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    But we must also figure in mutation rate.

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  • 7. 

    1 gamete in 1 _______ ___________ to 1 ___________ has a new mutation at a given locus.

    Correct Answer
    hundred thousand, million
    Explanation
    For example there are 300,000 sperm in ejaculation there are 300 hundred mutations.

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  • 8. 

    Changes in the allele frequencies of a species that do NOT result in the formation of a new species is:

    • Macroevolution

    • Microevolution

    Correct Answer
    A. Microevolution
  • 9. 

    The probability of a gene mutating between or during DNA replications is:

    • 10^-7 to 10^-8 per gene locus per gamete.

    • 10^7 to 10^8 per gene locus per gamete

    • 10^-5 to 10^-6 per gene locus per gamete

    • 10^5 t0 10^6 per gene locus per gamete.

    Correct Answer
    A. 10^-5 to 10^-6 per gene locus per gamete
  • 10. 

    What traits are used to define a population?

    • Ecological traits

    • Physiological traits

    • Behavioral traits

    • Emotional traits

    • Morphological traits

    Correct Answer(s)
    A. Physiological traits
    A. Behavioral traits
    A. Morphological traits
  • 11. 

    Define fitness: 

Quiz Review Timeline (Updated): Mar 19, 2022 +

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  • Current Version
  • Mar 19, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 15, 2010
    Quiz Created by
    Colleennicole
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