When 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)

When 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)

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter20: Chromosomes And Human Genetics

Section: Chapter Questions

Problem 5SQ: A chromosomes structure can be altered by _______. a. deletions b. duplications c. translocations d....

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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 chromosome
The following diagram represents two nonhomologous chromosomes: A B • C D E F G R S • T U V W X What type of chromosome mutation would produce each of the following groups of chromosomes? a. A B • C D R S • T U V W X E F G b. A U V B • C D E F G R S • T W X c. A B • T U V F G R S • C D E W X d. A B • C W G R S • T U V D E F X
A chromosome initially has the following segments:A B • C D E F G Draw the chromosome, identifying its segments, that would result from the following mutations. Q. Paracentric inversion that includes DEFG
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 chromosome
Which of the following correctly describes the changes in chromosome structure? Deletion: a piece of a chromosome is inveted Inversion: a part of one chromosome becomes attached to another chromosome Translocation: part of a chromosome is copied Translocation: part of one chromosome becomes attached to another chromosome Duplication: a complete chromosome is copied
A chromosomes structure can be altered by _______. a. deletions b. duplications c. translocations d. all of the above
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?
Altered 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, duplication
The following diagram represents two nonhomologous chromosomes: A B • C D E F G R S • T U V W X What type of chromosome mutation would produce of the following groups of chromosomes? Q. A B • C D R S • T U V W X E F G
CONSTRUCT 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-r
A chromosome has the following segments, where • represents the centromere: A B • C D E F G What types of chromosome mutations are required to change this chromosome into each of the following chromosomes? (In some cases, more than one chromosome mutation may be required.) a. A B A B • C D E F G b. A B • C D E A B F G c. A B • C F E D G d. A • C D E F G e. A B • C D E f. A B • E D C F G g. C • B A D E F G h. A B • C F E D F E D G i. A B • C D E F C D F E G
Chromosome translocations include: A. Alterations in which the genetic material remains the same but rearranged B. Alterations in which the total amount of genetics information increases C. Alterations in which the total amount of genetics information decreases D. Variations in the chromosome number