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 (B)</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 (D)</p> Signup and view all the answers

What is the smallest group that can evolve over time?

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

What is the underlying cause of Haldane's Rule?

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

What type of traits can natural selection act on?

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

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

<p>All of the above (D)</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 (D)</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 (C)</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 (A)</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 (C)</p> Signup and view all the answers

Why are children not exact copies of their parents?

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

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

<p>Individual selection (B)</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 (D)</p> Signup and view all the answers

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

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

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