Biological Science (7th Edition)
7th Edition
ISBN: 9780134678320
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Textbook Question
Chapter 25, Problem 4TYK
Which of the following is an example of homoplasy?
a. hair in humans and fur in mice
b. astragalus ankle bones in hippos and deer
c. Hox genes in humans and flies
d. streamlined bodies in dolphins and ichthyosaurs
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An adult human has a flat face with a small jaw and large cranium. An adult chimpanzee has a large jaw and small cranium. Both juvenile chimps and humans have heads similar to adult humans. Which of the following is a reasonable explanation for this pattern?
Group of answer choices
A) genes that modify skull shape are not expressed in chimps during development
B) head shape is controlled by cytoplasmic determinants
C)genes that modify skull shape are not expressed in humans during development
D) chimps and humans have completely different genes controlling the formation of the head
Which of the following is not correct?
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The lung in the frog is homoplasious to the lung in the land snail
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The arm bones of Barak Obama are homologous to those of Donald Trump
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D.
Bilateral symmetry in the frog and the snapdragon flower is homoplasious
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The dorsal fin of a shark and the dorsal fin of a dolphin are homologous.
According to "The Complex Evolution of Homo sapiens", what is the significance of the L3 gene and who was the L3 woman?
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B.All individuals within Africa are descended from the L3 woman.
C.All individuals outside of Africa and who live in the Old World are descended from the L3 woman.
D.All individuals outside of Africa are descended from the L3 woman
Chapter 25 Solutions
Biological Science (7th Edition)
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