The table shows the number of cytochrome c aminoacid differences as compared to human cytochrome c. (see 2-point scoring rubric)MonkeyRabbit Shark Tuna TurtleNumber of aminoacid differencescompared to humancytochrome cFrog9Horse514141184. Suppose that two species, A and B, appear similarly but have molecular homoplasy, while speciesB and C appear differently but have molecular homology. Which pair of species is more likely tobe closely related? Explain.

4. In the given scenario, species B and C are closely related compared to species A and B. We have…

4. Suppose that two species, A and B, appear similarly but have molecular homoplasy, while species B and C appear differently but have molecular homology. Which pair of species is more likely to be closely related? Explain.

4. Suppose that two species, A and B, appear similarly but have molecular homoplasy, while species B and C appear differently but have molecular homology. Which pair of species is more likely to be closely related? Explain.

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter11: Evidence Of Evolution

Section: Chapter Questions

Problem 3FIO

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Concept explainers

Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.

Question

The table shows the number of cytochrome c amino
acid differences as compared to human cytochrome c. (see 2-point scoring rubric)
Monkey
Rabbit Shark Tuna Turtle
Number of amino
acid differences
compared to human
cytochrome c
Frog
9
Horse
5
1
4
14
11
8
4. Suppose that two species, A and B, appear similarly but have molecular homoplasy, while species
B and C appear differently but have molecular homology. Which pair of species is more likely to
be closely related? Explain.

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