Concepts of Genetics (12th Edition)
12th Edition
ISBN: 9780134604718
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino, Darrell Killian
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 6PDQ
What advantages were provided by Mendel’s choice of the garden pea in his experiments?
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What advantages were provided by Mendel’s choice of the garden pea in his experiments?
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Chapter 3 Solutions
Concepts of Genetics (12th 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 - If they seek genetic counseling, what issues would...Ch. 3 - If you were in Thomass position, would you want to...Ch. 3 - If Thomas tests positive for the HD allele, should...Ch. 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 - 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 - 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...
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- What was the parental (P) generation in Mendel's experiment?arrow_forwardWhy did Mendel use the garden pea?arrow_forwardMendel’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_forward
- How was Mendel able to derive postulates concerning the behavior of “unit factors” during gamete formation, when he could not directly observe them?arrow_forwardIn Mendel’s 1866 publication as shown in Figure 1-4, he reports 705 purple-flowered (violet) offspring and 224 white-flowered offspring. The ratio he obtained is 3.15:1 for purple: white. How do you think he explained the fact that the ratio is not exactly 3:1?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 like seed weight or length of the leaves, which vary much more in their phenotypes? Explain your answer.arrow_forward
- For which reasons, early human geneticists were slow to accept Mendelian analysis?arrow_forwardHow did Mendel know that each of his pea plants carried two alleles encoding a characteristicarrow_forwardMendel found that round (R) seed is dominant over wrinkled (r) seed, and yellow (G) seed is dominant over green (g) seed. The following crosses were made between plants of known phenotypes but unknown genotypes: 1) round, yellow X round, yellow 2) round, yellow X round, yellow 3) round, yellow X wrinkled, green b) Cross 1 2 Using the same symbols as defined above, list the genotypes of the parent plants in each cross. 3 round, yellow X round, yellow round, yellow X round, yellow round, yellow X wrinkled, green Which of the above crosses is a testcross? Offspring and ratio 3/4 round, yellow 1/4 wrinkled, yellow 9/16 round, yellow 3/16 round green 3/16 wrinkled, yellow 1/16 wrinkled, green MacBook Pro 1/4 round, yellow 1/4 round, green 1/4 wrinkled, yellow 1/4 wrinkled, green Focuarrow_forward
- How did Mendel use evidence from monohybrid and dihybrid crosses to deduce his laws of segregation and independent assortment? How do these laws relate to meiosis?arrow_forwardWhy did Mendel’s work refute the idea of blending inheritance?arrow_forwardList Mendel’s conclusions from his experiments. How do the conclusions relate to what is known today in the field of genetics?arrow_forward
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