BIOLOGY
12th Edition
ISBN: 9781264839698
Author: Raven
Publisher: MCG CUSTOM
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Textbook Question
Chapter 24, Problem 4U
Homologous genes in distantly related organisms can often be easily located on chromosomes due to
a. horizontal gene transfer.
b. conservation of synteny.
c. gene inactivation.
d. pseudogenes.
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Students have asked these similar questions
How would the process of the double holiday junction model differ if identical DNA molecules were used in place of homologous ones?
A.) Crossing over would NEVER be observed
B.) No change the entire process would be the same
C.) Gene conversion would never occur
D.) Crossing over would ALWAYS be observed do not copy from others
Can chromosome duplications cause negative effects to an organism? Why or why not?
A.
No. Duplicated regions of chromosomes are quickly lost by looping out during meiosis.
B.
Yes. Duplicated regions increase gene dosage, which affects processes like development that require specific amounts of protein.
C.
No. Cells with duplications function even more efficiently than those without duplications.
D.
No. Duplicated regions of chromosomes cannot affect gene dosage because the cell can always compensate for extra copies of genes.
E.
Yes. Duplicated regions require DNA to be replicated, which delays the cell cycle and wastes energy.
In 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.
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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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
- Which of the following is true regarding the presence of a multigene family? A. Multigene families are produced by any sort of chromosomal rearrangement. B. Multigene families are produced whenever a transposon is inserted into a gene. C. Multigene families are produced by all types of mutation, including single base substitutions. D. Multigene families are produced by some mutations that involve duplication.arrow_forwardAltered chromosome structure can drastically affect an individual organism’s phenotype. However, some types of chromosomal rearrangements are more likely to be harmful than others. Categorize the following types of rearrangements from MOST LIKELY to be harmful to LEAST LIKELY to be harmful. A. reciprocal translocation, deletion, translocation B. deletion, translocation, inversion C. inversion, translocation, reciprocal translocation D. translocation, inversion, duplicationarrow_forwardIn the lab, you discover two yeast haploid mutants that cannot produce arginine. You cross them together and the resulting diploid produces arginine. If producing arginine is the wild type phenotype, what can you definitively conclude? A.The haploid strains have identical mutations in the same genes. B.The haploid strains have identical mutations in different genes. C.The haploid strains have mutations in different genes. D.The haploid strains have mutations in the same gene. E.The haploid strains must belong to the complementation group encoding the first enzyme in the biosynthetic pathway.arrow_forward
- Which 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_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_forwardThe 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.arrow_forward
- Homologous genes found in different species are called a. orthologs. c. analogs. b. paralogs. d. none of the above.arrow_forwardWhen recombination (“crossing over”) doesn’t happen correctly, what type(s) of mutations that can occur? Mark all that apply Select one or more: a. Deletion of part of a chromosome b. Translocation (transfer of part of a chromosome to a non-homologous chromosome) c. Duplication of part of a chromosome d.Inversion (reversal or “flipping” of part of a chromosome)arrow_forwardWhich of the following BEST states genome editing in plants? A. transform large DNA constructs by suppression and activation B. insert a functional cis-regulatory element in the natural genes transgene vector C. assemble and synthesize large DNA molecules in a single transgene vector D. deletion, mutation, or integration of the gene of interest depending on the target traitarrow_forward
- 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 is FALSE about x chromosome inavtivation in mammals? A. It relies on chromatic remodeling B. It leads to the formation of Barr body. C. It only occurs in males. D. It involves histone modificationarrow_forwardA. Aneuploidy refers to the loss or gain a chromosome part. B. Polyploid cells have extra chromosome sets. A) Both statement is correct B) Both statement is incorrect C) First statement is correct, Second is incorrect D) First statement is incorrect, Second is correctarrow_forward
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