Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 20, Problem 5SQ
A chromosome’s structure can be altered by _______.
- a. deletions
- b. duplications
- c. translocations
- d. all of the above
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A chromosome territory is a regiona. along a chromosome where many genes are clustered.b. along a chromosome where the nucleosomes are closetogether.c. in a cell nucleus where a single chromosome is located.d. in a cell nucleus where multiple chromosomes are located
What change in chromosome structure causes an extra copy of a chromosomal region to occur?
A.
Duplication
B.
Inversion
C.
Simple translocation
D.
Deletion
E.
Reciprocal translocation
During the molecular process of homologous recombinationbetween homologous chromosomes,a. a Holliday junction forms.b. branch migration occurs.c. a heteroduplex region forms.d. all of the above occur.
Chapter 20 Solutions
Human Biology (MindTap Course List)
Ch. 20 - Prob. 1RQCh. 20 - What is a carrier of a genetic trait?Ch. 20 - What evidence indicates that a trait is coded by a...Ch. 20 - Prob. 4RQCh. 20 - Explain what nondisjunction is, and give two...Ch. 20 - _______ segregate during ______. a. Homologues;...Ch. 20 - Prob. 2SQCh. 20 - Genes on the same chromosome tend to stay together...Ch. 20 - Prob. 4SQCh. 20 - A chromosomes structure can be altered by _______....
Ch. 20 - Nondisjunction can be caused by ________. a....Ch. 20 - A gamete affected by nondisjunction could have...Ch. 20 - Genetic disorders can be caused by __________. a....Ch. 20 - A person who is a carrier for a genetic trait...Ch. 20 - Prob. 10SQCh. 20 - If a couple has six boys, what is the probability...Ch. 20 - Human sex chromosomes are XX for females and XY...Ch. 20 - People with Down syndrome have an extra copy of...Ch. 20 - Prob. 4CTCh. 20 - Prob. 5CTCh. 20 - About 4 percent of people of Northern European...Ch. 20 - The following pedigree shows the pattern of...
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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 types of mutations cause (1 word) a. Increase amount of genetic material in particular chromosome b increase amount of genetic material in all chromosomes c decreased amount of generic material in particular chromsomes d change to position of dna sequence in singular chromosome without changing the amount of genetic material e move dna from one chromosome to non homologous chromosomearrow_forwardA paracentric inversiona. includes the centromere within the inverted region.b. does not include the centromere within the inverted region.c. has two adjacent inverted regions.d. has an inverted region at the very end of a chromosome.arrow_forwardMatch the pictures of the small-scale chromosome changes to the terms. A) translocation B) deletion C) inversion D) duplicationarrow_forward
- Which types of chromosome mutations a. increase the amount of genetic material in a particular chromosome? b. increase the amount of genetic material in all chromosomes? c. decrease the amount of genetic material in a particular chromosome? d. change the position of DNA sequences in a single chromosome without changing the amount of genetic material? e. move DNA from one chromosome to a nonhomologous chromosome?arrow_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_forwardA reciprocal translocation occurs in an individual between chromosomes 4 and 18, and this translocation causes a disease in the individual. What is the most likely reason chromosome mutation causes a disease? a) The translocation causes a break in the chromosome in a gene regulatory region. b) Chromosomes with a translocation cannot replicate. c) An individual with a translocation has some genes duplicated. d) An individual with a translocation has some genes missing.arrow_forward
- Which is NOT an affect of chromosomal translocations? A. Translocation breaks can disrupt existing gene function. B. All of the above. C. Translocated genes may become under the control of different regulatory sequences. D. Translocations can cause regions of the chromosome to be duplicated. E. Translocations can affect the number of chromosomes found in species through evolution.arrow_forwardChronic myelogenous leukemia is usually associated with which type of chromosome rearrangement? a. Duplication b. Deletion c. Inversion d. Translocationarrow_forwardWhat are homologous chromosomes? a. The two halves of a replicated chromosome b. Two identical chromosomes from one parent c. Two genetically identical chromosomes, one from each parent d. Two genetically similar chromosomes, one from each parentarrow_forward
- The kinetochore is a structure that functions toa. connect the centromere to microtubules.b. connect centrioles to microtubules.c. aid in chromosome condensation.d. aid in chromosome cohesion.arrow_forwardGENETICS Recombination between linked genes via crossing over occurs a) at the 2 strand stage, prior to DNA replication b) between non-homologous chromosomes c) within heterochromatin d) between sister chromatids e) during mitosis f) between non-sister chromatidsarrow_forwardIn an organism’s genome, autosomes are a. the chromosomes that differ between the sexes. b. chromosomes that are involved in sex determination. c. only inherited from the mother (maternal inheritance). d. all of the chromosomes other than sex chromosomesarrow_forward
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