Genetic Analysis: An Integrated Approach (3rd Edition)
3rd Edition
ISBN: 9780134605173
Author: Mark F. Sanders, John L. Bowman
Publisher: PEARSON
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Chapter 10, Problem 7P
From the following list, identify the types ofchromosome changes you expect to show phenotypicconsequences.
pericentric inversion
interstitial deletion
duplication
terminal deletion
trisomy
reciprocal balanced translocation
paracentric inversion
monosomy
polyploidy
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Students have asked these similar questions
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, deletion
A diploid species has 3 pairs of chromosomes in its somatic cells. In males, the first pair is large submetacentric[1]; the second is medium acrocentric[2], and the third is small telocentric[3]. In females, the first two pairs are like those of the males while the third is large metacentric[4][5], with satellite4 Illustrate the karyograms (drawing/picture of the chromosome) of the following:
A triploid cell in females
tetrasomic cell in males
tetraploid cell in females
[1] submetacentric --centrosome is just above the middle of the chromosome
[2] acrocentric --centrosome is much higher location than submetacentric so that the “p” arm of the chromosome is much shorter than the q arm
[3] telocentric --the centromere is at the end of the chromosome
[4] metacentric --centrosome is in the middle of the chromosome; thus the “p-arm” and the “q-arm” or both arms of the chromosome are equal in length
[5] satellite-a constriction in an arm of a chromosome, aside…
Identify the type of chromosomal aberration described in each of the following cases and provide and example.
loss of a chromosome segment
extra copies of a chromosome segment
reversal in the order of a chromosome segment
movement of a chromosome segment to another, non homologous chromosome
Chapter 10 Solutions
Genetic Analysis: An Integrated Approach (3rd Edition)
Ch. 10 - 10.1 Give descriptions for the following...Ch. 10 - 10.2 The human genome contains contains base...Ch. 10 - In eukaryotic DNA, Where are you most likely to...Ch. 10 - 10.4 Describe the importance of light and dark G...Ch. 10 - Human late prophase karyotypes have about 2000...Ch. 10 - Prob. 6PCh. 10 - From the following list, identify the types...Ch. 10 - 10.8 If the haploid number for a plant species is...Ch. 10 - Mating between a male donkey (2n=64) and a female...Ch. 10 - A researcher interested in studying a human gene...
Ch. 10 - 10.11 In what way does position effect variegation...Ch. 10 - 10.12 A pair of homologous chromosomes in...Ch. 10 - 10.13 An animal heterozygous for a reciprocal...Ch. 10 - Dr. Ara B. Dopsis has an idea he thinks will be a...Ch. 10 - A normal chromosome and its homolog carrying a...Ch. 10 - The accompanying chromosome diagram represents a...Ch. 10 - 10.17 Histone protein isolated from pea plants...Ch. 10 - 10.18 A survey of organisms living deep in the...Ch. 10 - In humans that XX/XO mosaics, the phenotype is...Ch. 10 - 10.20 A plant breeder would like to develop the...Ch. 10 - In Drosophilia, seven partial deletion (1to7)...Ch. 10 - Two experimental varieties of strawberry are...Ch. 10 - 10.23 In the tomato, Solanum esculentum, tall ()...Ch. 10 - A boy with Down syndrome (trisomy 21) has 46...Ch. 10 - Experimental evidence demonstrates that the...Ch. 10 - Prob. 26PCh. 10 - Genomic DNA from the nematode worm...Ch. 10 - 10.28 A small population of deer living on an...Ch. 10 - A eukaryote with a diploid number of 2n=6 carries...Ch. 10 - Prob. 30PCh. 10 - For the following crosses, determine as accurately...Ch. 10 - A healthy couple with a history of three previous...
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- Variations in Chromosome NumberAneuploidy Describe the process of nondisjunction and explain when it takes place during cell division.arrow_forwardConsider a diploid organism that follows the XX-XO mode of sex determination. Normally, there are 7 chromosomes in its somatic cell. The chromosomal composition is as follows: Chromosome I is a large acrocentric chromosome Chromosome II is a large telocentric chromosome Chromosome III is a small telocentric chromosome Chromosome IV (X chromosome) is a medium submetacentric chromosome Aneuploidy was observed in a particular individual wherein there are three copies of Chromosome III. Diagram how aneuploidy may occur through Mitosis starting from a parent cell at G1 phase. Make sure to distinguish between chromosomes and the following phases of cell division (G1 phase, prophase, metaphase, anaphase, telophase, cytokinesis). Indicate the chromosome equation and chromosome number of the parent cell and the daughter cells. *S phase and G2 phase purposefully excludedarrow_forwardConsider a diploid organism that follows the XX-XO mode of sex determination. Normally, there are 7 chromosomes in its somatic cell. The chromosomal composition is as follows: Chromosome I is a large acrocentric chromosome Chromosome II is a large telocentric chromosome Chromosome III is a small telocentric chromosome Chromosome IV (X chromosome) is a medium submetacentric chromosome Aneuploidy was observed in a particular individual wherein there are three copies of Chromosome III. Illustrate the source of aneuploidy if it occurs in Meiosis I. Diagram spermatogenesis starting with the primary spermatocyte up to spermatozoa, making sure to distinguish between chromosomes and the different phases of meiosis I (prophase I*, metaphase I, anaphase I, telophase I). Indicate the respective chromosome equation and chromosome number of the primary spermatocyte, secondary spermatocyte, spermatid, and spermatozoon.arrow_forward
- Asaparrow_forwardRice has a chromosome number of 2n = 24. If different euploids and aneuploids are available in rice, identify the chromosomal mutation, chromosome configuration, chromosome number, and/or type of gametes in each of the mutations below. Example: For 10B, the answer is “10 II + 2 I”arrow_forwardA somatic cell has the genotype DdEe. All chromosomes in this organism are metacentric. Show metaphase and the results of mitosis if the D and E locus are linked on the same chromosome in trans configuration. A sexually reproducing organism has the following phenotype DdEeAaTt: The D and E loci are on the same arm of a metacentric chromosome in cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. 2.1. What is the haploid number of this organism? 2.2. Using diagrams show a ceii at metaphase of mitosis and show the results of mitosis.arrow_forward
- In a germline progenitor cell before DNA replication (2N), a translocation occurred between a telocentric and submetacentric chromosome resulting in a translocation heterozygote. The location of the translocation is illustrated below. Draw the Prophase I pairing conformation that would result from this translocation. The four types of chromosomes you have now can be labeled as follows: T-WT (telocentric wild type), T-TL (telocentric translocation), SM-WT (submetacentric wild type), and SM-TL (submetacentric translocation). Using these labels, list (please do not draw) the possible outcomes of Anaphase I and the possible phenotypes for each outcome. Please explain your reasoning for each phenotype in a few words. asaparrow_forwardFor questions 22 through 30, please refer to the pictures below: Normal B B B C D D D D' E E 22 23 24 B D G. Y D M H. B C E 25 26 27 28 B D Break through centromere B B A D 29 30 Identify the type of chromosomal aberration in each number above. Please refer to the choices below. Reciprocal translocation Robertsonian translocation Isochromosome Terminal deletion Interstitial deletion Duplication Pericentric inversion Ring chromosome Marker chromosome Paracentric inversionarrow_forwardwhat is the significance of chromosomal aberration? what are the different types of chromosomal abberations based on the structure and number of chromosomes? give examples for each. what environmental factors may increase in the incidence of chromosomal aberrations?arrow_forward
- Here is a depiction of the position of several genes on 2 chromosomes, with a dash "-" depicting the position of the centromere. Chromosome A has genes ABCD-EFGHIJ Chromosome B has genes 1234-56789. Please name the kind of rearrangement that would result in the following derivative chromosomes: 12D-EFGHIJ AB4-56789 O Unbalanced reciprocal translocation Unbalanced nonreciprocal translocation Balanced reciprocal translocation Balanced nonreciprocal translocationarrow_forwardIn the following schematic drawing of a Holliday junction,one chromatid is shown in red, and the homologous chromatidis shown in blue. The red chromatid carries a dominant allelelabeled A and a recessive allele labeled b, whereas the blue chromatidcarries a recessive allele labeled a and a dominant allelelabeled B. Where would the DNA strands have to be cut to produce recombinantchromosomes? Would they be cut at sites 1 and 3, or at sites2 and 4? What would be the genotypes of the two recombinantchromosomes?arrow_forwardcrossing over within a pericentric inversion produces chromosomes that have extra copies of some genes and no copies of other genes. The fertilization of gametes containing chromosomes with duplications or deletions often result in children with syndromes characterized by developmental delay, intellectual disability, abnormal development of organ systems, and early death. Maarit Jaarola and colleagues examined individual sperm cells of a male who was heterozygous for a pericentric inversion on chromosome 8 and determined that crossing over took place within the pericentric inversion in 26% of the meiotic divisions (M. Jaarola, R. H. Martin, and T. Ashley. 1998. American Journal of Human Genetics 63:218–224). Assume that you are a genetic counselor and that a couple seeks counseling from you. Both the man and the woman are phenotypically normal, but the woman is heterozygous for a pericentric inversion on chromosome 8. The man is karyotypically normal. What is the probability that this…arrow_forward
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