Evolutionary Mechanisms Quiz

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Questions and Answers

What is the main focus of epigenetics?

  • The analysis of the primary literature in science
  • The study of stable alterations in gene expression during development (correct)
  • The interpretation of secondary literature in biology
  • The study of genetic variation in prokaryotes

What distinguishes eukaryotes from prokaryotes?

  • Eukaryotes lack a nucleus
  • Eukaryotes have cells with a nucleus and organelles (correct)
  • Prokaryotes are multicellular organisms
  • Prokaryotes have organelles like mitochondria

What is the function of the mitochondria in a cell?

  • Powerhouse of the cell involved in protein synthesis (correct)
  • Help the cell run smoothly as a key structure within the nucleus
  • Store the DNA and separate it from the rest of the cell
  • Contain the DNA inherited from the father

What type of cells are somatic cells?

<p>All body cells responsible for direct cell activity (D)</p> Signup and view all the answers

How do gametes differ from somatic cells?

<p>Gametes are haploid with 23 chromosomes (D)</p> Signup and view all the answers

What does diploid mean in terms of chromosomes?

<p>Having 46 chromosomes, with 2 copies of each type (A)</p> Signup and view all the answers

What is the main concept behind sexual selection?

<p>Members of one sex choose mates based on certain characteristics (A)</p> Signup and view all the answers

What kind of genetic variation does mutation generate?

<p>Brand new genetic variation in non-functional regions (D)</p> Signup and view all the answers

What is the oversimplification related to the classification of mutations discussed in the text?

<p>The classification is a continuum rather than distinct categories (A)</p> Signup and view all the answers

Which term is related to changes in allele frequencies over time due to random chance?

<p>Genetic drift (A)</p> Signup and view all the answers

What is the primary purpose of the scientific method as mentioned in the text?

<p>Starting with an observation and ending with theory development (C)</p> Signup and view all the answers

What does the term 'Null Hypothesis' refer to according to the text?

<p>An alternate explanation assuming the original hypothesis is false (B)</p> Signup and view all the answers

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