Biology: The Unity and Diversity of Life (Looseleaf)
15th Edition
ISBN: 9781337408417
Author: STARR
Publisher: CENGAGE L
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Chapter 18, Problem 12SQ
Summary Introduction
Concept introduction: The DNA found in the mitochondrial region of eukaryotic cell is called as mitochondrial DNA. mitochondria are semi-autonomous, containing their own genome, and it gears the replication, protein synthesis., and transcription process of a cell.
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Mitochondrial DNA evidence has shown that____.
a. the greatest diversity of mtDNA is in European peoples, suggesting they share a more
recent origin
b. the least diversity of mtDNA is in African peoples, suggesting Old World peoples share a
more ancient origin
c. the greatest diversity of mtDNA is in African peoples, suggesting they share a more
ancient origin
d. the least diversity of mtDNA is in European peoples, suggesting they share a more ancient
origin
The evolution of various life forms on Earth is summarized in ________.
a.
the binomial naming system
b.
phylogenetic trees
c.
the taxonomic classification system
19. Lumber lordosis or the inward 's-shapes' curve of the human spine, can be described as a ___ trait: or a trait that the human species have, but is not present in older species such as the last common ancestor that the lineage of human species shared with the last common ancestor to chimpanzees.
a. Obtained
b. Derived
c. Evolved
d. Primative
Chapter 18 Solutions
Biology: The Unity and Diversity of Life (Looseleaf)
Ch. 18 - Hawaiian Honeycreeper Phylogeny The po'ouli...Ch. 18 - Hawaiian Honeycreeper Phylogeny The po'ouli...Ch. 18 - Hawaiian Honeycreeper Phylogeny The po'ouli...Ch. 18 - Hawaiian Honeycreeper Phylogeny The po'ouli...Ch. 18 - Prob. 1SQCh. 18 - Which of the following assumptions is not part of...Ch. 18 - Prob. 3SQCh. 18 - Prob. 4SQCh. 18 - In a cladogram, each node represents a(n) _______...Ch. 18 - Constructing a cladogram _______ . a. may involve...
Ch. 18 - In cladograms, sister groups are _______ . a....Ch. 18 - Through ______, a body part of an ancestor is...Ch. 18 - Homologous structures among major groups of...Ch. 18 - Prob. 10SQCh. 18 - Molecular clocks are based on comparisons of the...Ch. 18 - Prob. 12SQCh. 18 - All of the following data types can be used as...Ch. 18 - Choose the statement that is incorrect. a....Ch. 18 - Prob. 15SQCh. 18 - Match the terms with the most suitable...Ch. 18 - In the late 1800s, a biologist studying animal...Ch. 18 - The photos shown above illustrate a case of...Ch. 18 - Bonobas and chimpanzees are sister groups. Humans,...
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