Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
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.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
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
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,...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 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_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_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_forward
- In 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_forwardD. 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_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
- Illuminate 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_forwardSpirochetes are free-living, anaerobic bacteria that contain spiral-shaped cells. Nematodes are roundworms that are incredibly diverse and, as a group, have adapted to survive in all environments. Which of the following statements accurately describes the DNA of both groups? A. The spirochaete genome is smaller than the nematode genome. B. Nematode DNA is circular. C. Spirochete chromosomes are composed of just DNA while nematode chromosomes also include specialized proteins. D. Spirochete DNA is linear.arrow_forwardGene families arise in the human genome are thought to have risen from A. duplication followed by natural selection B. transformation like process C. none of the above D. selection leading to duplicationarrow_forward
- Spirochaetes are free-living, anaerobic bacteria that contain spiral-shaped cells. Nematodes are roundworms that are incredibly diverse and, as a group, have adapted to survive in all environments. Which of the following statements accurately describes the DNA of both groups? A. The spirochaete genome is smaller than the nematode genome. B. Nematode DNA is circular. C. Spirochaete chromosomes are composed of just DNA while nematode chromosomes also include specialized proteins. D. Spirochaete DNA is linear.arrow_forwardBy comparing DNA sequence of a specific gene, we can determine the evolutionary relationship of two organisms. Based on the sequence listed below, which two species would you expect to be more closely related? Organism No.1 with ATG CAA TAC GCC, organism No. 2 with ATG CAT GAC ACC and organims No. 3 with ATG CAT TAC GCC A. Organims No.2 and No.3 are likely more closely related. b.Organims No.1 and No.2 are likely more closely related. c.Organims No 1 and No.3 are likely more closely related.arrow_forwardAll of the following data types can be used as evidence of shared ancestry except similarities in_____ . a. amino acid sequences b. embryonic development c. DNA sequences d. fossil morphologies e. form due to convergent evolutionarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Mechanisms of Genetic Change or Evolution; Author: Scientist Cindy;https://www.youtube.com/watch?v=5FE8WvGzS4Q;License: Standard Youtube License