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 16PDQ
Mendel crossed peas having round green seeds with peas having wrinkled yellow seeds. All F1 plants had seeds that were round and yellow. Predict the results of testcrossing these F1 plants.
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Mendel crossed peas having round green seeds with peas having wrinkled yellow seeds. All F1 plants had seeds that were round and yellow. Predict the results of testcrossing these F1 plants.
Mendel crossed peas having round seeds and yellow cotyledons with peas having wrinkled seeds and green cotyledons. All the F1 plants had round seeds with yellow cotyledons. Diagram this cross through the F2 generation, using both the Punnett square and forked-line methods.
Mendel crossed peas having round seeds and yellow cotyledons (seed leaves) with peas having wrinkled seeds and green cotyledons. All the F1 plants had round seeds with yellow cotyledons. Diagram this cross through the F2 generation, using both the Punnett square and forked-line, or branch diagram, methods.
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- More Crosses with Pea Plants: The Principle of Independent Assortment Consider the following cross: P1: AABBCCDDEE aabbccddee F1: AaBbCcDdEe (self-cross to get F2) What is the chance of getting an AaBBccDdee individual in the F2 generation?arrow_forwardFigure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are dominant to green (y). What are the possible genotypes and phenotypes for a cross between PpYY and ppYy pea plants? How many squares would you need to complete a Punnett square analysis of this cross?arrow_forwardMendel performs a cross using a true-breeding pea plant with round, yellow seeds and a true- breeding pea plant with green, wrinkled seeds. What is the probability that offspring will have green, round seeds? Calculate the probability for the F1 and F2 generations.arrow_forward
- picture shows the results of a cross between a tall pea plant and a short pea plant. Q. What phenotypes and proportions will be produced if a tall F1 plant is backcrossed to the short parent?arrow_forwardpicture shows the results of a cross between a tall pea plant and a short pea plant. Q. What phenotypes and proportions will be produced if a tall F1 plant is backcrossed to the tall parent?arrow_forwardA cross in plants is done between the parents CCDD and ccdd to create a dihybrid F1 plant. This F1 plant was subsequently test crossed to a ccdd plant and you find the the progeny as follows: 40% CD 40% cd 10% Cd 10% cD If you did a similar experiment in which the parents were changed to ccDD and CCdd, what percentage of the test cross progeny would have the cd phenotype? 40% 80% 10% 20%arrow_forward
- Outline the basic hybridization research done by Mendel when crossing a true breading violet flowered plant with a true breeding white flowered plant? In your answer you should indicate the parental generation, the F1, and the F2 results.arrow_forwardA dihybrid cross of two plants is done and the seed pod shape is examined. The seed stock was pure, both always made triangular pods. The pod shape is known to be controlled by two independently assorting genes. You cross the plants and produce an F1 generation, and all the seed pods are triangular. Then you cross the F1 plants to each other in three independent experiments and the F2 data is presented in Table 1. Explain the type of epistasis that is event in this data. Suggest a molecular mechanism that can explain this type of gene interaction. Table 1 Experimental results of Plant Crosses Ovoid pods Triangular pods Experiment 1 38 162 Experiment 2 42 173 Experiment 3 32 153arrow_forwardshows the results of a dihybrid cross involving seed shape and seed color. a. What proportion of the round and yellow F2 progeny from this cross is homozygous at both loci? b. What proportion of the round and yellow F2 progeny from this cross is homozygous at least at one locus?arrow_forward
- Mendel crossed peas having green seeds with peas having yellow seeds. The F1 generation produced only yellow seeds. In the F2, the progeny consisted of 6022 plants with yellow seeds and 2001 plants with green seeds. Of the F2 yellow-seeded plants, 519 were self-fertilized with the following results: 166 bred true for yellow and 353 produced an F3 ratio of 3/4 yellow: 1/4 green. Explain these results by diagramming the crosses.arrow_forwardGenes Q and R are 20 map units apart. If a plant of genotype QqRr (linkage phase is Qr/qR) is testcrossed, then what percentage of the progeny will be Qr in phenotype? O 10% O 20% 40% O 50% 80%arrow_forwardIn three points mapping the F1 parent has the A+B+C+genotype, what is the genotype of the other F1 parent?arrow_forward
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