Haldane's Rule and Hybrid Sterility
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Questions and Answers

According to Haldane's Rule, which sex is more likely to be sterile or inviable in hybrid crosses between two species?

  • Diploid sex
  • Homogametic sex
  • Heterogametic sex (correct)
  • Haploid sex
  • In birds, what is the sex of hybrid offspring that may be sterile due to disruptions in egg development or abnormalities in reproductive anatomy?

  • Neuter
  • Male
  • Female (correct)
  • Intersex
  • In mammals, what is the sex of hybrid offspring that may be sterile due to disruptions in meiosis or abnormalities in sperm development?

  • Male (correct)
  • Intersex
  • Neuter
  • Female
  • What is the term for the phenomenon where the heterogametic sex is more likely to be sterile or inviable in hybrid crosses between two species?

    <p>Haldane's Rule</p> Signup and view all the answers

    Which of the following is NOT a consequence of Haldane's Rule?

    <p>Increased fertility in hybrid offspring</p> Signup and view all the answers

    What is the smallest group that can evolve over time?

    <p>A population</p> Signup and view all the answers

    What is the underlying cause of Haldane's Rule?

    <p>Differences in chromosome structure or number</p> Signup and view all the answers

    What type of traits can natural selection act on?

    <p>Inherited traits</p> Signup and view all the answers

    What can lead to the formation of new species over time?

    <p>All of the above</p> Signup and view all the answers

    What is an example of a geographic barrier that can act as a barrier to gene flow?

    <p>Rivers</p> Signup and view all the answers

    Why can characteristics acquired by an organism during its lifetime not be inherited by its offspring?

    <p>Because they are not heritable</p> Signup and view all the answers

    What is the name of the islands where different species of finches evolved in isolation?

    <p>Galápagos Islands</p> Signup and view all the answers

    What is the primary concept of Charles Darwin's Theory of Evolution?

    <p>The development of new types of organisms from pre-existing types over time</p> Signup and view all the answers

    Why are children not exact copies of their parents?

    <p>Genes are combined from both parents</p> Signup and view all the answers

    What is the result of genetic mutations in a population?

    <p>The adaptation of the species to its environment</p> Signup and view all the answers

    What is the driving force behind the evolution of a population?

    <p>Individual selection</p> Signup and view all the answers

    What is the correct order of the evolutionary process?

    <p>Genes mutate, individuals thrive or die out, populations change</p> Signup and view all the answers

    What is the primary factor in the adaptation of a species to its environment?

    <p>Genetic makeup</p> Signup and view all the answers

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