Concepts of Genetics (11th Edition)
11th Edition
ISBN: 9780321948915
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 8, Problem 30ESP
A 3-year-old child exhibited some early indication of Turner syndrome, which results from a 45,X chromosome composition. Karyotypic analysis demonstrated two cell types: 46,XX (normal) and 45,X. Propose a mechanism for the origin of this mosaicism.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Put the following events concerning homologous recombination (the mechanism by which crossing over occurs) in order.
1
2
3
ين
4
Strand invasion and formation of the D-loop
Resolution of holiday junctions
Initiation of a double stranded break of one non-sister chromatid.
Remove nucleotides from ends of DNA strands at the site of the double stranded DNA break.
2
3
4 5
8 9 10
11
12
13
14
15
16
17
18
19
20
21
22
ху
Which chromosome set has an extra
What diagnosis would you give this patient?.
Finish the notation for this patient's karyotype:
What causes a dark band on the chromosome?
What is a centromere?
Calculate the recombination frequencies between r2 and h and between r13 and h.
Chapter 8 Solutions
Concepts of Genetics (11th Edition)
Ch. 8 - A human female with Turner syndrome (47, X) also...Ch. 8 - When two plants belonging to the same genus but...Ch. 8 - What is the effect of a rare double crossover (a)...Ch. 8 - Prob. 1CSCh. 8 - Prob. 2CSCh. 8 - Aquatic vegetation overgrowth, usually controlled...Ch. 8 - HOW DO WE KNOW? In this chapter, we have focused...Ch. 8 - Review the Chapter Concepts list on page 171....Ch. 8 - Define these pairs of terms, and distinguish...Ch. 8 - For a species with a diploid number of 18,...
Ch. 8 - What evidence suggests that Down syndrome is more...Ch. 8 - What evidence indicates that humans with aneuploid...Ch. 8 - Contrast the fertility of an allotetraploid with...Ch. 8 - Describe the origin of cultivated American cotton.Ch. 8 - Predict how the synaptic configurations of...Ch. 8 - Inversions are said to suppress crossing over. Is...Ch. 8 - Contrast the genetic composition of gametes...Ch. 8 - Human adult hemoglobin is a tetramer containing...Ch. 8 - Discuss Ohnos hypothesis on the role of gene...Ch. 8 - What roles have inversions and translocations...Ch. 8 - The primrose, Primula kewensis, has 36 chromosomes...Ch. 8 - Certain varieties of chrysanthemums contain 18,...Ch. 8 - Drosophila may be monosomic for chromosome 4, yet...Ch. 8 - Mendelian ratios are modified in crosses involving...Ch. 8 - Having correctly established the F2 ratio in...Ch. 8 - The mutations called bobbed in Drosophila result...Ch. 8 - The outcome of a single crossover between...Ch. 8 - A couple planning their family are aware that...Ch. 8 - In a cross in Drosophila, a female heterozygous...Ch. 8 - A woman who sought genetic counseling is found to...Ch. 8 - Prob. 25ESPCh. 8 - In a recent cytogenetic study on 1021 cases of...Ch. 8 - A boy with Klinefelter syndrome (47,XXY) is born...Ch. 8 - Prob. 28ESPCh. 8 - Prob. 29ESPCh. 8 - A 3-year-old child exhibited some early indication...Ch. 8 - A normal female is discovered with 45 chromosomes,...Ch. 8 - Prob. 32ESP
Knowledge Booster
Learn more about
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
- Please explain why females are considered genetic mosaics. Please explain how the calico cat shows female mosaicism.arrow_forwardConstruct a map of the chromosome from the following recombination frequencies between individual pairs of genes: c – f 8%, v – f 12%, s – v 16%, v – c 4%, s – f 6%arrow_forwardA chromosome of genotype C D recombines with a homolog of genotype c d during meiosis when Spo11 produces a double-strand break between genes C and D. If anticrossover helicase disentangles the invading strand, the likely outcome would be A) two C D and two c d gametes. B) two C d and two c D gametes. C) one C D, one C d, one c D, and one c d gamete. D) four C D gametes. E) four c d gametesarrow_forward
- How many Barr bodies are present in the interphase cells of the ff. individuals? A) Klinefelters where 2n = 48 (assume no autosomal aneuploidy in this individual) (b) metafemales with chromosome number of 48 (no autosomal aneuploidy in this individual). Show solutions.arrow_forwardThe white spots in this image represent Barr Bodies. The cells are from a Male cell line. What is the sex chromosome complement of this cell line?arrow_forwardWhen the interrupted mating technique was used withfive different strains of Hfr bacteria, the following orders ofgene entry and recombination were observed. On the basisof these data, draw a map of the bacterial chromosome.Do the data support the concept of circularity?HfrStrain Order1 T C H R O2 H R O M B3 M O R H C4 M B A K T5 C T K A Barrow_forward
- For each of the terms in the left column, choose thebest matching phrase in the right column.a. reciprocal translocation 1. lacking one or morechromosomes or having oneor more extra chromosomesb. gynandromorph 2. movement of short DNAelementsc. pericentric 3. having more than two completesets of chromosomesd. paracentric 4. exact exchange of parts of twononhomologous chromosomese. euploids 5. excluding the centromeref. polyploidy 6. including the centromereg. transposition 7. having complete sets ofchromosomesh. aneuploids 8. mosaic combination of maleand female tissuearrow_forwardThe figure below shows a replicated homologous chromosome pair during meiosis where one of the chromosomes carries an inversion. Assume a crossover has occurred between D & E.arrow_forward1. Inversion type that produces inv9 and inv12 2.Condition caused by translocation between chromosomes 8 and 2 and what specific type of translocation? 3.Point mutation with no abnormal effect 4.Physical agent that displaces electron from neutral atoms. 5.Formed when nonionizing agent disrupts cytosine-guanine pairing.arrow_forward
- 1. Choose the phrase from the right column that best fitsthe term in the left column.a. cytoplasmicsegregation1. transmission of genes through maternalgamete onlyb. heteroplasmic 2. cell that has mtDNAs or cpDNAs all of onegenotypec. homoplasmic 3. having gametes of similar sized. maternalinheritance4. a cell with a mixture of different mtDNAsgenerates a daughter cell with only one kinde. uniparentalinheritance5. a specific fraction of wild-type organellarDNAs is required for a wild-type phenotypef. isogamous 6. cell with mtDNAs or cpDNAs with differentgenotypesg. threshold effect 7. transmission of genes through either amaternal or a paternal gamete, but not botharrow_forwardWhat genetic event does the DSB homologous recombination model account for that the Holiday model does not?arrow_forwardFor each genotype in the table below, determine whether or not functional B-gal will be produced in the presence or absence of the inducer. Write a plus (+) if B-gal is produced or a minus (-) if it is not. ma Chromosome F' lac (plasmid) - Inducer + Inducer ---- --- --- I*O*Z I*O°Z+ I*O*Z* I* = wildtype repressor |- - no functional repressor produced O* - wildtype operator OC = operator mutation prevents repressor from binding %3Darrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Heredity: Principles and Issues (MindTap Co...BiologyISBN:9781305251052Author:Michael CummingsPublisher:Cengage Learning
Human Heredity: Principles and Issues (MindTap Co...
Biology
ISBN:9781305251052
Author:Michael Cummings
Publisher:Cengage Learning
DNA Use In Forensic Science; Author: DeBacco University;https://www.youtube.com/watch?v=2YIG3lUP-74;License: Standard YouTube License, CC-BY
Analysing forensic evidence | The Laboratory; Author: Wellcome Collection;https://www.youtube.com/watch?v=68Y-OamcTJ8;License: Standard YouTube License, CC-BY