Exploring Genetic Evidence
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Questions and Answers

Which of the following is NOT a piece of genetic evidence that organisms are closely related and likely to have a common ancestor?

  • Similar portions of DNA with no functions
  • Identical DNA structure
  • Different mutations (mitochondrial DNA) (correct)
  • Similar sequence of genes

    • What is the main factor that causes variation between individuals of the same species in a population?

  • Similar sequence of genes
  • Random arrangement of maternal and paternal chromosomes at the equator during metaphase
  • Crossing over during Prophase I of meiosis (correct)
  • Different mutations in mitochondrial DNA

    • Which statement is true about species that are closely related?

  • They have different combinations of maternal and paternal chromosomes
  • They have identical DNA structure
  • They have a similar sequence of genes (correct)
  • They have different mutations in mitochondrial DNA

    • What process during meiosis results in new combinations of maternal and paternal genetic materials in each new cell/gamete?

    <p>Crossing over during Prophase I</p> Signup and view all the answers

    What allows different combinations of chromosomes/chromatids to go into each new cell/gamete resulting from meiosis?

    <p>Random arrangement of chromosomes at the equator during metaphase</p> Signup and view all the answers

    Which of the following is a piece of genetic evidence that organisms are closely related and likely to have a common ancestor?

    <p>Different portions of DNA with no functions</p> Signup and view all the answers

    What is the main factor that causes variation between individuals of the same species in a population?

    <p>Crossing over during Prophase I of meiosis</p> Signup and view all the answers

    Which process during meiosis results in new combinations of maternal and paternal genetic materials in each new cell/gamete?

    <p>Crossing over during Prophase I of meiosis</p> Signup and view all the answers

    What allows different combinations of chromosomes/chromatids to go into each new cell/gamete resulting from meiosis?

    <p>Random arrangement of maternal and paternal chromosomes at the equator during metaphase</p> Signup and view all the answers

    Which statement is true about species that are closely related?

    <p>They have greater similarity to each other than more distantly related species</p> Signup and view all the answers

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