Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 14.4, Problem 2TYK
Summary Introduction
Introduction:
The chromosomes are the condensed structure of the DNA. They are X shaped and contain different DNA segments. Each chromosome has different genes and all the chromosomes in the organism makes up the genome.
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Exchange of genetic information between two non-homologous chromosomes is
called?
Inversion
Translocation
Duplication
Deletion
A chromosome territory is a region
along a chromosome where many genes are clustered.
along a chromosome where the nucleosomes are close together.
in a cell nucleus where a single chromosome is located.
in a cell nucleus where multiple chromosomes are located.
Which of the following statements is/are true? Choose only the best answer.
All three of the other statements are true.
Genome rearrangements can be caused by errors during meiosis.
Transposable elements can result in gene deletion by facilitating unequal
crossing over.
DNA polymerase replication errors can lead to changes in the number of repeats
in simple sequence DNA.
Chapter 14 Solutions
Principles of Biology
Ch. 14.1 - Researchers usually treat cells with drugs that...Ch. 14.1 - Researchers usually treat cells with drugs that...Ch. 14.1 - Refer back to Figure 13.13. How do checkpoint...Ch. 14.1 - A cell that is diploid has two chromosomes. pairs...Ch. 14.1 - In eukaryotes, DNA replication produces sister...Ch. 14.1 - Prob. 3TYKCh. 14.2 - Refer back to the karyotype in Figure 14.1. In...Ch. 14.2 - What are the functions of the three types of...Ch. 14.2 - Prob. 1TYKCh. 14.2 - Prob. 2TYK
Ch. 14.2 - Sister chromatids separate from each other during...Ch. 14.2 - With regard to chromosome composition, how does...Ch. 14.3 - Prob. 1CCCh. 14.3 - Prob. 2CCCh. 14.3 - What is the main reason for meiosis in animals?...Ch. 14.3 - In meiosis I, crossing over occurs during...Ch. 14.3 - Prob. 2TYKCh. 14.3 - Prob. 3TYKCh. 14.4 - Prob. 1CCCh. 14.4 - A chromosome in which the telomere is at one end...Ch. 14.4 - Prob. 2TYKCh. 14.4 - Prob. 3TYKCh. 14 - Prob. 1TYCh. 14 - Prob. 2TYCh. 14 - Checkpoints during the cell cycle are important...Ch. 14 - Prob. 4TYCh. 14 - Prob. 5TYCh. 14 - Prob. 6TYCh. 14 - Prob. 7TYCh. 14 - Prob. 8TYCh. 14 - Prob. 9TYCh. 14 - Prob. 10TYCh. 14 - Distinguish between homologous chromosomes and...Ch. 14 - The Oca2 gene, which influences eye color in...Ch. 14 - PRINCIPLES A principle of biology is that cells...Ch. 14 - Why is it necessary for chromosomes to condense...
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- A chromosomes structure can be altered by _______. a. deletions b. duplications c. translocations d. all of the abovearrow_forwardAn induced mutation occurs when a non-disjunction event happens during mitosis. a non-disjunction event happens during meiosis. DNA polymerase adds an extra nucleotide at a region of repetitive DNA. a mismatched nucleotide is added during DNA replication. none of these are examples of spontaneous mutations.arrow_forwardCONSTRUCT A GENETIC MAP OF A CHROMOSOME FROM THE FOLLOWING RECOMBINATION FREQUENCIES BETWEEN INDIVIDUAL PAIRS OF GENES: R-C, 10; C-P, 12; P-R, 3; S-C, 16; S-R, 8. WHAT IS THE GENE ORDER? s-r-p-c s-p-c-r c-r-p-s c-s-p-rarrow_forward
- Which of the following is an example of a balanced mutation? Group of answer choices inversions deletions aneuploidy tandem duplicationsarrow_forwardIn which of the following ways do polytene chromosomes differ from other chromosomes? Polytene chromosomes are multiple copies of identical single-stranded DNA. Polytene chromosomes can only be found in bacteria. Polytene chromosomes are replicated but not separated. Polytene chromosomes are fully condensed DNA. Polytene chromosomes represent uncoiled versions of meiotic chromosomes.arrow_forwardPick the statement about chromosome structure that is FALSE. Gene duplications provide an explanation for the origin of gene families. A position effect occurs when a gene’s expression is altered by virtue of a change in its chromosomal position. Inversions decrease the frequency of recombinate gametes. A paracentric inversion is one whose break points include the centromere. Genes that function abnormally when present in only one copy are called haploinsufficient.arrow_forward
- When recombination (“crossing over”) doesn’t happen correctly, what type(s) of mutations that can occur? circle all that apply Select one or more: a. Inversion (reversal or “flipping” of part of a chromosome) b. Duplication of part of a chromosome c. Translocation (transfer of part of a chromosome to a non-homologous chromosome) d. Deletion of part of a chromosomearrow_forwardWhich of the following is described as a structural rearrangement of a chromosome in which a broken piece has become reattached in the wrong location? Translocation Duplication Inversion Deletionarrow_forward29. A physical change or modification in the structure of a chromosome is called a migration. mistake. phenotype. mutation. homology.arrow_forward
- Chromosome structural errors can occur during Meiosis which can lead to health disorders. Examine the figure below and select the correct order of error type from left to right in which they appear. duplicati on, translocation, deleti on, inversion duplication, inversion, del etion, translocation O deletion, translocati on, inversion, duplication O translocation, inversion, duplication, deletion inversion, translocation, duplication, deletionarrow_forwardWhich of the following experimental observations would suggest that chromosomes move by polymerization of tubulin subunits? Chemicals that block tubulin subunit interactions also block chromosome movement. Chromosomes are individually attached to microtubules. Chromosomes move by sliding past each one another. Energy is expended in the process of chromosome movement.arrow_forwardOrder the molecules/structures listed below from least condensed to most condensed. Naked DNA Chromosome Chromatin Source Targetarrow_forward
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