Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Textbook Question
Chapter 4.7, Problem 2EG
Which members of the pedigree could have been carriers, and which might have been the source of the mutation?
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A pedigree lists a father as the proband for a genetic disorder that he inherited from his mother. Out of his 3 children, his son inherits the condition but his two daughters do not. What can you hypothesize about this disorder?
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b) His wife is also a carrier of an affected X-chromosome, too.
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d) Although his daughters inherited the father's mutant X allele, a wt X allele from their mother prevented them from inheriting the disorder.
e) All the answers could be correct.
Chapter 4 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 4.3 - Does a pedigree drawn from the available...Ch. 4.3 - Prob. 2EGCh. 4.7 - Did the fact that Prince Albert and Queen Victoria...Ch. 4.7 - Which members of the pedigree could have been...Ch. 4 - Pedigree analysis is a fundamental tool for...Ch. 4 - Pedigree analysis is a fundamental tool for...Ch. 4 - Pedigree analysis is a fundamental tool for...Ch. 4 - Pedigree Analysis Is a Basic Method in Human...Ch. 4 - Pedigree Analysis Is a Basic Method in Human...Ch. 4 - Pedigree Analysis Is a Basic Method in Human...
Ch. 4 - Pedigree Analysis Is a Basic Method in Human...Ch. 4 - Analysis of Autosomal Recessive and Dominant...Ch. 4 - Analysis of Autosomal Recessive and Dominant...Ch. 4 - Use the following information to respond to the...Ch. 4 - Analysis of Autosomal Recessive and Dominant...Ch. 4 - Analysis of Autosomal Recessive and Dominant...Ch. 4 - A proband female with an unidentified disease...Ch. 4 - Analysis of Autosomal Recessive and Dominant...Ch. 4 - Prob. 12QPCh. 4 - Analysis of Autosomal Recessive and Dominant...Ch. 4 - Analysis of Autosomal Recessive and Dominant...Ch. 4 - Analysis of X-Linked Dominant and Recessive Traits...Ch. 4 - Prob. 16QPCh. 4 - Analysis of X-Linked Dominant and Recessive Traits...Ch. 4 - Analysis of Autosomal Recessive and Dominant...Ch. 4 - Analysis of X-Linked Dominant and Recessive Traits...Ch. 4 - Analysis of X-Linked Dominant and Recessive Traits...Ch. 4 - Analysis of X-Linked Dominant and Recessive Traits...Ch. 4 - Analysis of X-Linked Dominant and Recessive Traits...Ch. 4 - Prob. 23QPCh. 4 - Prob. 24QPCh. 4 - Variations in Phenotype Expression Define...Ch. 4 - Prob. 26QPCh. 4 - Variations in Phenotype Expression A genetic...Ch. 4 - Variations in Phenotype Expression Explain how...
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- The pedigree pictured is of an extended family where a large percentage of family members develop colon cancer at an early age. In this family, individuals either get colon cancer before the age of 16, or they don’t get it at all. a) Based on the information you have been given, what evidence, if any, suggests an inherited contribution to the development of this disease? b) You take a medical history of all 33 people in the pedigree and discover that a large percentage drink a special coffee on a daily basis, while others do not. The individuals who do not drink coffee are I-1, II-2, II-4, II-9, III-7, III-13, IV-1, and IV-3. Could drinking this special coffee play a role in colon cancer? Explain.arrow_forwardBelow is a pedigree from one family (two parents and eight children). Four of the children (indicated by shaded shapes) are affected with a serious disease with an unknown genetic cause. a) For the disease, what pattern of inheritance (autosomal/sex-linked, recessive/dominant) is exhibited by this pedigree? b) Linkage analysis of the disease to a series of VNTR polymorphisms on human chromosome 5 is shown above. Is there evidence for linkage between the disorder and the VNTR? Briefly explain your answer.arrow_forwardAnyone know how to do thisarrow_forward
- The pedigree below represents a disease that is very rare in the human population. Answer the two questions below. A ? a.) What is the mode of inheritance? b.) What is the probability that the child indicated with "A" will inherit the disease? Show you work for this question.arrow_forwardwhat is the pattern of inheritance shown in this pedigree? Please provide evidence.arrow_forwardGiven the karyotype shown at right, is this a male or a female? Normal or abnormal? What would the phenotype of this individual be?arrow_forward
- Did the fact that Prince Albert and Queen Victoria were first cousins have anything to do with the fact that she carried the allele for hemophilia? Why or why not?arrow_forwardPedigree Analysis Is a Basic Method in Human Genetics Using the pedigree provided, answer the following questions. a. Is the proband male or female? b. Is the grandfather of the proband affected? c. How many siblings does the proband have, and where is he or she in the birth order?arrow_forwardWhat is a pedigree?arrow_forward
- The pedigree below shows three generations of a family that carries albinism, an autosomal recessive genetic disease. In the third generation, a child was born with albinism but the genotypes of the rest of the family are unknown. No other family members have the disease. Assume normal, Mendelian genetics with no new mutations. What are the genotypes of the parents of the affected child? A) There is not enough information to determine their genotypes B) Both are homozygous for albinism C) One is hemizygous and one is heterozygous for albinism D) Both are heterozygous for albinism E) One is homozygous and one is heterozygous for abinismarrow_forwardWhat’s a pedigree?arrow_forwarddetermining coat color is the agouti gene?arrow_forward
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