Phylogeny
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7 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    If you were building a phylogenetic tree of cats, which of the following would be the best outgroup?

    answer choices

    wolf

    domestic cat

    frog

    leopard

  • Question 2
    30 seconds
    Q.

    In a comparison of birds and mammals, the condition of having four limbs is

    answer choices

    a shared ancestral character

    a shared derived character

    a character useful for distinguishing birds from mammals

    an example of analogy rather than homology

  • Question 3
    30 seconds
    Q.

    The yellow, blue, and read bubbles represent different phylogenies. How would you describe the yellow bubble?

    answer choices

    monophyletic

    paraphyletic

    polyphyletic

    anaphyletic

  • Question 4
    30 seconds
    Q.

    Both butterflies and bats have the ability to fly due to wing development. How would you describe the evolutionary relationship of the animal's wings?

    answer choices

    polytomy

    homoplasies

    analogous

    vestigial

  • Question 5
    30 seconds
    Q.

    On a phylogenetic tree, what do the branch lengths represent?

    answer choices

    The age of the organisms

    amount of genetic change since divergence

    amount of genetic change since convergence

    The age of divergence

  • Question 6
    30 seconds
    Q.

    Which protein has the fastest molecular clock?

    answer choices

    fibrinopeptides

    hemoglobin

    cytochrome C

    divergence

  • Question 7
    30 seconds
    Q.

    What is horizontal gene transfer? (select all that apply)

    answer choices

    the process of chromosome creation by recombination

    increase of genetic variation by meiosis

    injection of DNA/RNA from virus to host

    exchange of transposible elements from one genome to another

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