Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 24, Problem 5U
All of the following are believed to contribute to genomic diversity among various species, except
a. gene duplication.
b. gene transcription.
c. lateral gene transfer.
d. chromosomal rearrangements.
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The above image compares portions of DNA containing globin genes from an ordinary bony fish and an icefish. The genes on the figure are aligned based on -
A. the beginning sequence on the chromosome.
B. a matching of intron sequences.
C. homologous sequences.
D. gene function.
In a few organisms, traits encoded by mtDNA can be inherited from either parent. This observation indicates that in these organisms,
a. mitochondria do not exhibit replicative segregation.
b. heteroplasmy is present.
c. both sperm and eggs contribute cytoplasm to the zygote.
d. there are multiple copies of mtDNA in each cell.
Horizontal gene transfer is a process in which genetic material from an organism is
a. transferred from cell to cell.
b. transferred to its offspring.
c. transferred to another organism that is not the offspring of the first organism.
d. released into the environment.
Chapter 24 Solutions
Biology
Ch. 24.1 - Prob. 1LOCh. 24.1 - Prob. 2LOCh. 24.1 - Prob. 3LOCh. 24.2 - Prob. 1LOCh. 24.2 - Prob. 2LOCh. 24.2 - Prob. 3LOCh. 24.2 - Explain why genome size and genome number do not...Ch. 24.3 - Define the terms segmental duplication, genome...Ch. 24.3 - Prob. 2LOCh. 24.4 - Prob. 1LO
Ch. 24.4 - Prob. 2LOCh. 24.5 - Prob. 1LOCh. 24.5 - Prob. 2LOCh. 24.5 - Prob. 3LOCh. 24 - Prob. 1DACh. 24 - Prob. 1IQCh. 24 - Prob. 2IQCh. 24 - Prob. 3IQCh. 24 - Humans and pufferfish diverged from a common...Ch. 24 - Prob. 2UCh. 24 - Prob. 3UCh. 24 - Homologous genes in distantly related organisms...Ch. 24 - All of the following are believed to contribute to...Ch. 24 - What is the fate of most duplicated genes? a. Gene...Ch. 24 - Chimp and human DNA whole-genome sequences differ...Ch. 24 - Prob. 2ACh. 24 - Analyze the conclusion that the Medicago...Ch. 24 - Analyze why an herbicide that targets the...Ch. 24 - The FOX2 gene is associated with speech in human....Ch. 24 - One of the common misconceptions about sequencing...Ch. 24 - How does horizontal gene transfer (HGT) complicate...
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- The chromosomes of most bacteria are comprised of a. double-stranded circular molecules. b. double-stranded linear molecules. c. single-stranded circular molecules. d. single-stranded linear molecules.arrow_forwardWhich of the following statements about molecular markersare true?A. All molecular markers are segments of DNA that carryspecific genes.B. A molecular marker is a segment of DNA that is found at aspecific location in a genome.C. We can follow the transmission of a molecular marker byanalyzing the phenotype (i.e., the physical characteristics)of offspring.D. We can follow the transmission of molecular markers usingmolecular techniques such as gel electrophoresis.E. An STS is a molecular marker.arrow_forwardVariations in chromosome structure are important for which of the following reason(s)?Question 5 options: A) evolution of new species B) may result in the production of abnormal offspring C) may alter the phenotype of an organism D) all of the answers are correctarrow_forward
- Particles that transfer genetic material from one species to another, especially in marine prokaryotes: a. horizontal gene transfer b. lateral gene transfer c. genome fusion device d. gene transfer agentsarrow_forwardIn which of the following types of large-scale mutations would there be a loss of genetic information from a cell? a. translocation b. deletion c. inversion duplication e. both a. and b.arrow_forwardWhich of the following evolutionary changes is an illustration of horizontal gene transfer? the human point mutation which changes a T into an A in the sickle-cell b-globin gene B. origin of the tetraploid potato (Solanum tuberosum) from its diploid ancestor (Solanum stenotomum) non-disjunction of the duplicated human chromosome 21, causing Down’s syndrome D. the green sea slug acquiring the genes for making chlorophyll from the chloroplasts of green algae the single gene deletion which can reduce the variety of mating types in yeastarrow_forward
- e. coli is commonly found in the human Microbiome. while most strains are harmless some can cause various illnesses ranging from urinary track infections to severe gastroenteritis. which of the following is a primary mechanism by which e. coli obtains its pathogenicity? A. Vertical gene transfer from parent to offspring B. Endosymbiosis with other bacteria C. Mutation in the bacterial chromosome D. Horizontal gene transfer from other Bacteria or the environmentarrow_forwardGriffith's experiment demonstrated a "bacterial transformation" that A. brought heat-killed bacteria back to life. B. caused two non-virulent bacterial strains to become virulent. C. allowed a bacteriophage to inject proteins into mice. D. caused two virulent bacterial strains to become non-virulent.2. An organism that has more chromosomes than is appropriate for its species is said to be A. diploid.. triploid. C. aneuploid. D. euploid. 3. During which cellular process does the enzyme helicase play an essential role? A. DNA replication B. Amino acid synthesis C. RNA transference D. Protein synthesisarrow_forwardCompare genome size, gene number, and gene density (a) in the threedomains and (b) among eukaryotes.arrow_forward
- If two chromosomes of a species are the same length and have similar centromere placements and yet are not homologous, what is different about them? Choose 1: A) Genes are different B) Alleles are different C) Loci are different D) Nothing is differentarrow_forwardFossils found in strata reveal that Select one: O a. older strata carry fossils that differ greatly from living organisms unused body parts decrease in size O b. О с. O d. an innate drive increasing the complexity of life geologic changes occur quickly on Eartharrow_forwardHorizontal gene transfer probably started soon after endosymbiosis. It has resulted in genes being moved from the mitochondrion to the nucleus. What is a reasonable explanation for why some genes still remain in the mitochondria? A. The products of those genes are rapidly damaged and need to be quickly replaced. B. The products of those genes are not required for organelle function. C. The ability for lateral gene transfer ended about a billion years ago and some genes simply got “stuck” within mitochondria. D. The products of those genes are only needed in the mitochondria.arrow_forward
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Endosymbiotic Theory; Author: Amoeba Sisters;https://www.youtube.com/watch?v=FGnS-Xk0ZqU;License: Standard Youtube License