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, Problem 11QP
Analysis of Autosomal Recessive and Dominant Traits
Describe the primary gene or protein defect and the
resulting
- a. cystic fibrosis
- b. Marfan syndrome
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Explain why familial breast cancer shows a dominant pattern of inheritance in a pedigree even though it is recessive at the cellular level.
Review the process of autosomal recessive inheritance by coloring the following figures in this instance both parents are carriers of a treat to illustrate the transmission of the disorder from the parents to the children color the figures as described
Review the process of autosomal dominant inheritance by coloring the following figures. In this instance the father is affected in the mother is unaffected to illustrate the transmission of the disorder from the father to the children color the figures as described.
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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- Examine the following pedigrees. Which is the most likely mode of inheritance of each disorder? (a) autosomal recessive (b) autosomal dominant (c) X-linked recessive (d) a, b, or c (e) a or c 10.arrow_forwardFamilial retinoblastoma, a rare autosomal dominant defect, arose in a large family that had no prior history of the disease. Consider the following pedigree (the darkly colored symbols represent affected individuals): a. Circle the individual(s) in which the mutation most likely occurred. b. Is the person who is the source of the mutation affected by retinoblastoma? Justify your answer. c. Assuming that the mutant allele is fully penetrant, what is the chance that an affected individual will have an affected child?arrow_forwardDescribe both the primary gene or protein defect and the resulting phenotype for the following diseases a) Cystic fibrosis, b) Gaucher's diseasearrow_forward
- Determining a karyotype is an important clinical method for diagnosing genetic disorders. Explain why it is useful for diagnosing monosomies and trisomies.arrow_forwardA young lady requested pre-marital genetic counselling because her sister had died in infancy of gangliosidosis, an autosomal recessive disease. What is the risk that this young lady has similarly affected offspring? What advice should be given?arrow_forwarda) What is the mode of inheritance in the following pedigree for the disease trait (autosomal dominant or recessive?) b) What are the possible genotypes for each individual in the pedigree? (Hint: You can use “A” for dominant allele and “a” for recessive allele)arrow_forward
- Describe the most common molecular mechanism for recessively inherited human genetic diseases such as cystic fibrosisarrow_forwardExplain the following diagram. It refers to a pedigree on the disease called phenylketonuria. Briefly explain about the disease; include biochemical and genetic aspects. Then interpret the pedigree. Say what type of inheritance the condition exhibits.arrow_forwardAll of the following human genetic diseases exhibit maternal inheritance EXCEPT: A. Leber's hereditary optic neuropathy B. Myoclonic epilepsy C. Kearnes-Sayre syndrome D. Edwards syndromearrow_forward
- Explain why disease alleles for cystic fibrosis (CF)are recessive to the normal alleles (CF+), yet thedisease alleles responsible for Huntington disease(HD) are dominant to the normal alleles (HD+).arrow_forwardExplain the genetic alterations resulting in chromosomal aberrations and their relationship to disease processes such as trisomy 21 and Philadelphia-chromosome linked chronic myelocytic leukemia.arrow_forwardShown below is a pedigree for Phenylketonuria (PKU), an autosomal recessive metabolic disorder. The characteristic feature of PKU is severe mental retardation A) What is the probability that individual II-1 is heterozygous for this gene? B) What is the probability that individual III-4 is heterozygous for this gene? C) If individuals III-3 and III-4 were to marry, what is the probability that their child would express PKU?arrow_forward
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