Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 19TYK
The genetic event that results in Turner syndrome (X0) is probably
- a. nondisjunction.
- b. deletion.
- c. genomic imprinting.
- d. monoploidy.
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Fragile X is a disorder which causes mental impairment in affected individuals. The trait which is due to a mutation in the FMR1 gene on the X chromosome is inherited in a recessive manner. An unaffected son was born to an affected man and an unaffected woman. The woman’s mother was affected while the father was normal. a. Indicate the gene notation. b. Give the genotype of the son. c. Is it possible for the couple to have an affected daughter? affected son? Derive the genotypic and phenotypic ratios for the offspring. Show and label your solutions properly. d. If the couple has four children, what is the probability that they will have three normal daughters and one normal son?
A patient has mental deficiency, a short stature, and the mongolian type of the eyelid fold. The microscopical examination of
the patient's karyotype revealed the presence of trisomy on the 21-st chromosome. What do we call the disease which is
caused by this chromosomal abnormality?
Select one:
a. Down's syndrome.
b. Klinefelter's syndrome.
O c. Turner's syndrome.
d. Edward's syndrome.
e. Patau syndrome.
Which of the following disorders in humans has an X-linked recessive inheritance pattern?
a.Hutchinson-Gilford progeria
b.Tay-Sachs disease
c.Marfan syndrome
d.Red-green color blindness
Which of the following is described as a structural rearrangement of a chromosome in which a broken piece has become reattached in the wrong location?
a.Duplication
b.Translocation
c.Inversion
d.Deletion
Which of the following disorders arises from translocation events?
a.Huntington’s disease
b.Infertility
c.Burkitt lymphoma
d.Duchenne muscular dystrophy
Chapter 15 Solutions
Study Guide for Campbell Biology
Ch. 15 - Complete the following summary of Morgans crosses...Ch. 15 - Two normal color-sighted individuals have two...Ch. 15 - In a testcross between a heterozygote tall,...Ch. 15 - With unlinked genes, an equal number of parental...Ch. 15 - The following recombination frequencies have been...Ch. 15 - a. What is the difference between an organism with...Ch. 15 - Prob. 7IQCh. 15 - Prob. 8IQCh. 15 - Mendels law of independent assortment applies to...Ch. 15 - You have found a new mutant phenotype in fruit...
Ch. 15 - Prob. 3SYKCh. 15 - Prob. 4SYKCh. 15 - Thomas Hunt Morgan firmly established the location...Ch. 15 - Prob. 2TYKCh. 15 - Sex-linked traits a. are coded for by genes...Ch. 15 - Prob. 4TYKCh. 15 - Prob. 5TYKCh. 15 - Prob. 6TYKCh. 15 - Prob. 7TYKCh. 15 - Prob. 8TYKCh. 15 - Prob. 9TYKCh. 15 - Prob. 10TYKCh. 15 - Consider three genes on the X chromosome: A, B,...Ch. 15 - Prob. 12TYKCh. 15 - Genomic imprinting a. explains cases in which the...Ch. 15 - Prob. 14TYKCh. 15 - Prob. 15TYKCh. 15 - Suppose that alleles for an X-linked character for...Ch. 15 - Some girls who fail to undergo puberty are found...Ch. 15 - Prob. 18TYKCh. 15 - The genetic event that results in Turner syndrome...Ch. 15 - Prob. 20TYKCh. 15 - Prob. 1GPCh. 15 - Prob. 2GPCh. 15 - Prob. 3GPCh. 15 - Prob. 4GPCh. 15 - Prob. 5GPCh. 15 - Red-green color blindness is caused by a...
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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
- For questions 10–13, match the chromosomal mutation to its description in the key. Key: a. turned-up nose, wide mouth, small chin, large ears, poor academic skills, excellent verbal and musical abilities, prematurely aging cardiovascular system b. deletion in chromosome 5 c. poor muscle tone, mental impairment, seizures, curved spine, autistic characteristics, poor speech, hand flapping, lack of eye contact d. translocation between chromosomes 2 and 20 10. Alagille syndrome 11. Inv dup 15 syndrome 12. Williams syndrome 13. Cri du chat syndromearrow_forwardLocus heterogeneity refers to a genetic disorder thata. has a heterogeneous phenotype.b. is caused by mutations in two or more different genes.c. involves a structural change in multiple chromosomes.d. is inherited from both parents.arrow_forwardWhich of the following best describes Klinefelter syndrome? A. It is an example of aneuploidy. B. Affected individuals are males with low fertility. C. Only one X chromosome is active in these individuals. D. All of the above.arrow_forward
- A young man went to the doctor because he had small testes and enlarged breasts. Through chromosomal testing, it was determined that this young man had the sex chromosomes XXY. Identify the syndrome with which this young man was MOST likely diagnosed. A. Turner syndrome B. Klinefelter syndrome C. Cri du Chat syndrome D. Down syndromearrow_forwardList the diagnostic features (genetic or cytological) that are used to identify these chromosomal alterations:a. Deletionsb. Duplicationsarrow_forwardIn 95% of cases of Down's syndrome, there is an entire extra chromosome 21 in every cell. This aneuploid condition is the result of A. Improper crossing over. B. Independent assortment. C. Nondisjunction. D. All are correct.arrow_forward
- In a karyotype of a man whose wife has had several miscarriages, it was discovered that he had onlv 45 chromosomes. However, he displayed no obvious phenotypic defects. Furthermore, one of the chromosomes of pair 15 was abnormally long. Which of the following terms best describes the condition of this man? a. monosomy b,. trisomy c. tetrasomy d. translocation carrier e. edward syndormearrow_forwardWhich of the following is the most common type of chromosomal disorder? O a. Kleinfelter's Syndrome O b. Cri-du-Chat Syndrome O c. Edward's Syndrome С. O d. Patau Syndrome O e. Turner's Syndromearrow_forwardWhich of the following is true regarding the presence of a multigene family? A. Multigene families are produced by any sort of chromosomal rearrangement. B. Multigene families are produced whenever a transposon is inserted into a gene. C. Multigene families are produced by all types of mutation, including single base substitutions. D. Multigene families are produced by some mutations that involve duplication.arrow_forward
- Indicate which of the four major classes of rearrangements (deletion, duplication, inversions, and translocations) are most likely to be associated with each of the following phenomena. In each case, explain the effect. a. Semisterility b. Lethality c. Vulnerability to mutation d. Haploinsufficiency e. Hypermorphic mutation (a gain of function mutation that causes an increase in otherwise normal gene function) f. Crossover suppression g. Aneuploidyarrow_forwardWhich of the following is associated with chemical modifications to chromosomes that label alleles as coming from the mother or father? a. Multiple alleles b. Extranuclear inheritance c. Epigenetic marks d. Small non coding RNAsarrow_forwardFor items 1-10, refer to the choices below: a. Williams Syndrome b. Cri-Du-Chat Syndrome c. Pallister-Killian Syndrome d. Wolf-Hirschhorn Syndrome 1. Caused by a deletion in chromosome 5. 2. Has bulging, wide-set eyes. 3. Has hypertelorism. 4. Caused by an isochromosome. 5. Caused by the deletion of multiple genes on chromosome 7. 6. About 30% of the people with this disorder are autistic. 7. They have an elf-like face. 8. Has a high chance of having scoliosis. 9. White starburst pattern around the irisarrow_forward
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