Concepts of Genetics (11th Edition)
11th Edition
ISBN: 9780321948915
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 5PDQ
Discuss how Mendel’s monohybrid results served as the basis for all but one of his postulates. Which postulate was not based on these results? Why?
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Discuss how Mendel’s monohybrid results served as the basis for all but one of his postulates. Which postulate was not based on these results? Why?
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Chapter 3 Solutions
Concepts of Genetics (11th Edition)
Ch. 3 - Pigeons may exhibit a checkered or plain color...Ch. 3 - Considering the Mendelian traits round versus...Ch. 3 - Using the forked-line, or branch diagram, method,...Ch. 3 - In one of Mendels dihybrid crosses, he observed...Ch. 3 - The following pedigree is for myopia...Ch. 3 - Prob. 1CSCh. 3 - Thomas first discovered a potentially devastating...Ch. 3 - Prob. 3CSCh. 3 - Prob. 4CSCh. 3 - HOW DO WE KNOW? In this chapter, we focused on the...
Ch. 3 - CONCEPT QUESTION Review the Chapter Concepts list...Ch. 3 - Albinism in humans is inherited as a simple...Ch. 3 - Which of Mendels postulates are illustrated by the...Ch. 3 - Discuss how Mendels monohybrid results served as...Ch. 3 - What advantages were provided by Mendels choice of...Ch. 3 - Mendel crossed peas having round seeds and yellow...Ch. 3 - Based on the preceding cross, what is the...Ch. 3 - Which of Mendels postulates can only be...Ch. 3 - In a cross between a black and a white guinea pig,...Ch. 3 - What is the basis for homology among chromosomes?Ch. 3 - In Drosophila, gray body color is dominant to...Ch. 3 - How many different types of gametes can be formed...Ch. 3 - Mendel crossed peas having green seeds with peas...Ch. 3 - In a study of black guinea pigs and white guinea...Ch. 3 - Mendel crossed peas having round green seeds with...Ch. 3 - Prob. 17PDQCh. 3 - The following are F2 results of two of Mendels...Ch. 3 - In assessing data that fell into two phenotypic...Ch. 3 - Prob. 20PDQCh. 3 - Consider the following pedigree. Predict the mode...Ch. 3 - Draw all possible conclusions concerning the mode...Ch. 3 - Prob. 23PDQCh. 3 - Prob. 24PDQCh. 3 - For decades scientists have been perplexed by...Ch. 3 - A wrongful birth case was recently brought before...Ch. 3 - TaySachs disease (TSD) is an inborn error of...Ch. 3 - Datura stramonium (the Jimsonweed) expresses...Ch. 3 - The wild-type (normal) fruit fly, Drosophila...Ch. 3 - Prob. 31ESPCh. 3 - To assess Mendels law of segregation using...Ch. 3 - Albinism, caused by a mutational disruption in...Ch. 3 - (a) Assuming that Migaloos albinism is caused by a...Ch. 3 - Prob. 35ESPCh. 3 - Prob. 36ESP
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- Who was Gregor Mendel? Describe the plant that he performed his research with and explain at least two reasons why this plant proved to be an ideal model species for early genetic research.arrow_forwardState the conclusions reached by Mendel in his work on the inheritance of characteristics. Explain how each of the following deviates from these conclusions: a. Autosomal linkage b. Sex-linked (X-linked) inheritance c. Polygenic (multiple-gene) inheritancearrow_forwardWhy was Mendel’s success dependent on his studying characteristics that exhibit only two easily distinguished phenotypes, such as white versus gray seed coats and round versus wrinkled seeds? Would he have been less successful if he had instead studied traits like seed weight or length of the leaves, which vary much more in their phenotypes? Explain your answer.arrow_forward
- The text outlines some of the problems Frederick William I encountered in his attempt to breed tall Potsdam Guards. a. Why were the results he obtained so different from those obtained by Mendel with short and tall pea plants? b. Why were most of the children shorter than their tall parents?arrow_forwardWhy was Mendel’s success dependent on his studying characteristics that exhibit only two easily distinguished phenotypes, such as white versus gray seed coats and round versus wrinkled seeds? Would he have been less successful if he had instead studied traits such as seed weight or leaf length, which vary much more in their phenotypes? Explain your answer.arrow_forwardWhy was Mendel’s success dependent on his studying characteristics that exhibit only two easily distinguished phenotypes, such as white versus gray seed coats and round versus wrinkled seeds? Would he have been less successful if he had instead studied traits such as seed weight or leaf length, which vary much more in their phenotype?arrow_forward
- A woman with fair skin, blond hair, and blue eyes gives birth to fraternal twins; the father has dark brown skin, dark hair, and brown eyes. One twin has blond hair, brown eyes, and light skin, and the other has dark hair, brown eyes, and dark skin. What Mendelian law does this real-life case illustrate and explain what this means in terms of the inherited alleles for these genes?arrow_forwardHow was Mendel able to derive postulates concerning the behavior of “unit factors” during gamete formation, when he could not directly observe them?arrow_forwardWhat was the second filial (F2) generation in Mendel's experiment?arrow_forward
- Mendel’s experiments relied on VERY specific properties of pea plants in order to achieve the results. I) What were the properties of his pea plants that made them conducive to his experiments and ii) with what organism do you think we could recreate his experiments that is not a pea plant (what other model organism might work to study what Mendel did)?arrow_forwardProvide a proof that a different phenotype can be produced from the same genotype. What are the possible causes for this different expression? How can the different gene interactions be differentiated from each other and from the Mendelian inheritance?arrow_forwardWhat was the key reason that many biologists found protein better than DNA as a candidate for Mendel’s inherited “factors”?arrow_forward
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