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4. Why is a gene mutation in a gamete usually more of a concern than a mutation in a somatic cell (i.e. a body cell, other than a sperm or egg)? 5. If a mutation occurred in a gene during gamete formation, resulting in a recessive allele, what would it take for an offspring to express the recessive phenotype? If a mutation occurred in a gene during gamete formation, resulting in a dominant allele, what would it take for an offspring to express the dominant phenotype? 6.

4. Why is a gene mutation in a gamete usually more of a concern than a mutation in a somatic cell (i.e. a body cell, other than a sperm or egg)? 5. If a mutation occurred in a gene during gamete formation, resulting in a recessive allele, what would it take for an offspring to express the recessive phenotype? If a mutation occurred in a gene during gamete formation, resulting in a dominant allele, what would it take for an offspring to express the dominant phenotype? 6.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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4. Why is a gene mutation in a gamete usually more of a concern than a mutation in a somatic cell (i.e. a body cell, other than a sperm or egg)? 5. If a mutation occurred in a gene during gamete formation, resulting in a recessive allele, what would it take for an offspring to express the recessive phenotype? If a mutation occurred in a gene during gamete formation, resulting in a dominant allele, what would it take for an offspring to express the dominant phenotype? 6. In gene therapy an attempt is made to transfer a “normal" gene into the cells of a person who lacks copies of the “normal" gene. Why would scientists and the government be more receptive to somatic gene therapy than to germline gene therapy? 7. 8. Answer the following questions for the two following pedigrees а. In Pedigree A, is the red highlighted trait dominant or recessive? Why? b. What is the genotype of individual C? а. In Pedigree B, is the red highlighted trait dominant or recessive? Why? d. What is the genotype of individual D?
Transcribed Image Text:4. Why is a gene mutation in a gamete usually more of a concern than a mutation in a somatic cell (i.e. a body cell, other than a sperm or egg)? 5. If a mutation occurred in a gene during gamete formation, resulting in a recessive allele, what would it take for an offspring to express the recessive phenotype? If a mutation occurred in a gene during gamete formation, resulting in a dominant allele, what would it take for an offspring to express the dominant phenotype? 6. In gene therapy an attempt is made to transfer a “normal" gene into the cells of a person who lacks copies of the “normal" gene. Why would scientists and the government be more receptive to somatic gene therapy than to germline gene therapy? 7. 8. Answer the following questions for the two following pedigrees а. In Pedigree A, is the red highlighted trait dominant or recessive? Why? b. What is the genotype of individual C? а. In Pedigree B, is the red highlighted trait dominant or recessive? Why? d. What is the genotype of individual D?
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