Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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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
Please help with the following:
______________ can be used to determine the last common ancestor shared by two divergent species.
A. Y-chromosome analysis
B. VNTR analysis
C. Rudolph's admixture hypothesis
D. mtDNA analysis
E. whole DNA sequencing
The evolution of various life forms on Earth is summarized in ________.
a.
the binomial naming system
b.
phylogenetic trees
c.
the taxonomic classification system
Chapter 18 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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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- In 2016, scientists published the genome of Monocercomonoides, and demonstrated that this organism has no detectable mitochondrial genes. However, its genome was arranged in linear chromosomes wrapped around histones which are contained within the nucleus.Monocercomonoides is therefore a(n) _________. a. Bacteria b. Archea c. Eukaryote d. Endosymbiontarrow_forwardIf two mouse populations do not interbreed but are found in the same area, they may form different species due to d. Adaptive radiation c. Spontaneous generation a. Geographic isolation b. Mutations OOOOarrow_forward19. 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. Primativearrow_forward
- A researcher compares several species of maple tree by examining the amino acid sequence of a protein. The researcher discovers that the amino acid sequence differs in three locations depending on the species of tree. What can the researcher conclude based on this data? A. Maple trees are evolving rapidly. B. The different species have different morphological characteristics. C. The maple trees have been exposed to high levels of mutagens. D. The genetic makeup of the maple tree population has changed over time.arrow_forwardOne way to determine how closely related two species are is to analyze _____, which determines the amino acid sequence of proteins.a. DNAb. carbohydratesc. mutationsd. fingerprintsarrow_forwardWhen a gene from one species is transferred into another species, the result is ____. a. a lethal mutation b. a hybrid animal c. a GMO d. a new species e. eugenicsarrow_forward
- 1A. Which of the following chemical moieties is not found in DNA? A. Phosphate group B. Deoxyribose sugar C. Multifactorial inheritance D. Purines E. Amine bonds 1B. A forest fire destroys a large swath of forest habitat, effectively isolating a small population of red-nosed rabbits within an area that escaped destruction. The remaining population will be prone to: A. Gene flow B. Natural selection C. Genetic drift D. Stabilizing selection E. Directional selectionarrow_forwardMutation is the only evolutionary mechanism that… a.is more important in eukaryotes than in prokaryotes b.introduces new alleles into the population c.has no effect on genetic evolution d.occurs frequently in all populationsarrow_forwardIn humans, mutations can be the result of _________________. * A. racial discrimination B. political intervention C. exposure to harmful level of radiation D. migration pattern 2. Which of the following causes a decreasing wildlife population in most of the places in our country? * A. loss of limiting factor B. loss of natural disturbances C. loss of habitat D. loss of carrying capacityarrow_forward
- D. The specie hat are most closely related have the most similar amino acid sequences 38. According to the data shown in the table above, which of the following organisms is most closely related to the human? A. Domestic chicken B. Green junglefowl C. Nile crocodile 39. Which of the following types of traits are considered to be newly evolved features that appear in 4 M ● I amarrow_forwardIlluminate Bat wing Bird wing Flying squirel wing a. Homologous c. Analogous b. Heterologous d. Vestigial 6. Which of the following is molecularlgenetic evidence for evolution? a. Embryonic human hemoglobin is different from adult human hemoglobin. b. Hemoglobin in humans can vary between different individuals. c. Human hemoglobin is more similar to chimp hemoglobin than mouse hemoglobin. d. Human hemoglobin is different from mouse hemoglobin. 个arrow_forwardAccording to "Our Earliest Ancestors", why can’t scientists just do DNA analysis on these fossil hominins to determine if they are a separate species and possibly what species they belong to? A.The fossils would need to be in a -5 degree Celsius environment to prevent DNA from degrading B.The DNA of fossil hominins is too similar to modern humans, making it difficult to distinguish between them. C.Scientists can't perform DNA analysis on fossil hominins because the fossils have been contaminated with modern human DNA over the years, making it impossible to isolate the ancient genetic material. D.The technology for extracting DNA from fossils hasn't been developed yetarrow_forward
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