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 11, Problem 6QP
Although it is well known that X-rays cause mutations, they are routinely used to diagnose medical problems, including potential tumors, broken bones, and dental cavities. Why is this done? What precautions need to be taken?
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Gene mutations can be classified in two major ways:(1) hereditary or germline mutations that are inherited from a parent and are present throughout a person’s life in virtually every cell in the body.(2) acquired or somatic mutations that occur at some time during a person’s life and are present only in certain cells, not in every cell in the body.If there is no family history of a particular disease but a child has the disease then it may have arisen due to a(n) ________ mutation early during development.
A) acquired
B) inherited
C) silent
D) transition
Why has gene therapy not been the success that was expected when it was first proposed as a viable means of treating genetic disorders?
Although it is well known that X-rays cause mutations, they are routinely used to diagnose medical problems, including potential tumors, broken bones, and dental cavities. So why do we still use X-rays in medicine anyway? What precautions need to be taken?
Chapter 11 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 11.4 - Consumer products including bandages, cotton...Ch. 11.4 - Prob. 2EGCh. 11 - Prob. 1CSCh. 11 - Prob. 2CSCh. 11 - Prob. 3CSCh. 11 - Prob. 1QPCh. 11 - Achondroplasia is an autosomal dominant form of...Ch. 11 - Why is it almost impossible to directly measure...Ch. 11 - What are the factors that influence the mutation...Ch. 11 - Achondroplasia is a rare dominant autosomal defect...
Ch. 11 - Although it is well known that X-rays cause...Ch. 11 - Prob. 7QPCh. 11 - Bruce Ames and his colleagues have pointed out...Ch. 11 - Define and compare the following types of...Ch. 11 - If the coding region of a gene (the exons)...Ch. 11 - Two types of mutations discussed in this chapter...Ch. 11 - Prob. 12QPCh. 11 - A frameshift mutation is caused by a: a....Ch. 11 - In the gene-coding sequence shown here, which of...Ch. 11 - Prob. 15QPCh. 11 - Familial retinoblastoma, a rare autosomal dominant...Ch. 11 - Tay-Sachs disease is an autosomal recessive...Ch. 11 - Replication involves a period of time during which...Ch. 11 - Our bodies are not defenseless against mutagens...Ch. 11 - The cystic fibrosis gene encodes a chloride...
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- if you encounter an unknown disease in humans and would like to understand the genetic mechanism for this disease so that an effective and targetted treatment approach can be developed , what will be the best strategy or steps to accomplish the goal? NB :answer in at most 4 sentences.arrow_forwardMost genetic mutations are deleterious, producing negative effects. True or false?arrow_forwardI need help because i don't get it. Can you help me to explain to me, please?arrow_forward
- What Genetic Conditions Are Candidates for Treatment by GeneTherapy?arrow_forwardWhat's the best definition of gene therapy? a) The introduction of a non-mutated and functional gene into a patient's DNA. b) The delivery of a non-mutated and functional protein into a patient. c) The introduction of a non-mutated and functional gene into a patient's RNA. d) The delivery of drugs that encourage overexpression of a protein to compensate for a mutated protein.arrow_forwardAn individual carries a disease-causing point mutation. Briefly describe four methods that can be used to identify this mutation.arrow_forward
- Explain the possible repercussions to an organism, when a mutation occurs in the genome?arrow_forwardWhy is using genomic DNA in gene therapy more efficacious?arrow_forwardWhat are the three possible effects on the cell (or organism) when a mutation occurs in DNA? Which ones are most common? Which one is rare?arrow_forward
- The nurse is explaining the general goal of gene therapy to a patient. With gene therapy, the general goal is to transfer exogenous genes to a patient for which result? a )To change the patient’s own genetic functioning to treat a given disease b )To improve drug metabolism c )To prevent genetic disorders in the patient’s future children d )To stimulate the growth of stem cellsarrow_forwardWhat are some possible reasons that researchers might be interested in identifying the gene that causes a genetic disease such as ICA? In other words, what benefits might result from this research?arrow_forwardWhat is an effective approach for diagnosing genetic diseases ?arrow_forward
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