Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 14, Problem 2GP
Summary Introduction
To determine: The probabilities of the genotypes of the offspring.
Introduction: Gregor Johann Mendel, known as “Father of modern genetics”, was the first person to experiment on seven pairs of contrasting characters in pea plant. Based on these experiments, he proposed three laws namely “Law of dominance, “Law of segregation”, and “Law of independent assortment.” He stated that one or more pairs of alleles are responsible for each trait, and these alleles could be either dominant or recessive. Dominant alleles can be either in homozygous or heterozygous condition, whereas recessive alleles are expressed only in homozygous condition, as the dominant allele masks the expression of the recessive allele.
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Chapter 14 Solutions
Study Guide for Campbell Biology
Ch. 14 - Fill in the following diagram of a cross of...Ch. 14 - A tall pea plant is crossed with a recessive dwarf...Ch. 14 - A true-breeding tall, purple-flowered pea plant...Ch. 14 - a. In the following cross, what is the probability...Ch. 14 - Prob. 5IQCh. 14 - Consider an example in which the M/m gene (for...Ch. 14 - The height of spike weed is a result of polygenic...Ch. 14 - Consider the following pedigree for the trait...Ch. 14 - a. What is the probability that a mating between...Ch. 14 - If two prospective parents both have siblings who...
Ch. 14 - Prob. 1SYKCh. 14 - How many different types of gametes can be formed...Ch. 14 - Prob. 3SYKCh. 14 - _______ gene Description a. has no effect on...Ch. 14 - _________ allele Description a. has no effect on...Ch. 14 - Prob. 3TYKMCh. 14 - Prob. 4TYKMCh. 14 - __________ dominant allele Description a. has no...Ch. 14 - __________ recessive allele Description a. has no...Ch. 14 - __________ genotype Description a. has no effect...Ch. 14 - Prob. 8TYKMCh. 14 - Prob. 9TYKMCh. 14 - Prob. 10TYKMCh. 14 - Prob. 11TYKMCh. 14 - Prob. 12TYKMCh. 14 - According to Mendels law of segregation, a. there...Ch. 14 - The F2 generation a. has a phenotypic ratio of...Ch. 14 - A 1:1 phenotypic ratio in a testcross indicates...Ch. 14 - Which phase of meiosis is most directly related to...Ch. 14 - After obtaining two heads from two tosses of a...Ch. 14 - The probability of tossing three coins...Ch. 14 - The probability of tossing three coins...Ch. 14 - In the F2 of a dihybrid cross involving two...Ch. 14 - In guinea pigs, the brown coat color allele (B) is...Ch. 14 - A true-breeding dwarf corn plant with red ears is...Ch. 14 - Prob. 11TYKCh. 14 - Prob. 12TYKCh. 14 - Prob. 13TYKCh. 14 - In humans, earwax can be wet or dry. The form of...Ch. 14 - You have blood type B, your mother has blood type...Ch. 14 - Prob. 16TYKCh. 14 - Summer squash are either white or yellow. To get...Ch. 14 - Prob. 2GPCh. 14 - True-breeding tall red-flowered plants are crossed...Ch. 14 - Prob. 4GPCh. 14 - Prob. 5GPCh. 14 - Prob. 6GPCh. 14 - Prob. 7GPCh. 14 - Prob. 8GPCh. 14 - Prob. 9GPCh. 14 - Fur color in rabbits is determined by a single...Ch. 14 - Prob. 11GPCh. 14 - The ability to taste phenylthiocarbamide (PTC) is...Ch. 14 - Prob. 13GPCh. 14 - Prob. 14GPCh. 14 - Prob. 15GPCh. 14 - Prob. 16GPCh. 14 - Imagine that a newly discovered, recessively...Ch. 14 - In mice, black fur (B) is dominant to white (b)....
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- Individuals of genotype AaBb were mated to individuals of genotype aabb. One thousand offspring were counted, with the following results: 474 Aabb, 480 aaBb, 20 AaBb, and 26 aabb. What type of cross is it? Are these loci linked? What are the two parental classes and the two recombinant classes of offspring? What is the percentage of recombination between these two loci? How many map units apart are they?arrow_forwardCould an individual with blood type O (genotype ii) be a legitimate child of parents in which one parent had blood type A and the other parent had blood type B?arrow_forwardConsider the following cross: AaBbCcDd X AaBbCcDd. How many different genotypes would expect in the offspring from this cross? Number of different gentoypes =arrow_forward
- In a cross between AaBbCcDDee x aaBbCcddEe, what is the probability of obtaining the following? AaBbCcDdEe aaBBccDdEe AabbCCDDeearrow_forwardCross the following two genotypes: Aa Bb Cc Dd Ee x Aa bb Cc dd Ee. What is the proportion of AA Bb Cc DD Ee among the progeny of this cross?arrow_forwardWhich of the following statements are true regarding the F2 offspring of a mapping cross for three genes on the same chromosome?arrow_forward
- . What is the probability of producing a child that willphenotypically resemble either one of the two parentsin the following four crosses? How many phenotypically different kinds of progeny could potentiallyresult from each of the four crosses?a. Aa Bb Cc Dd × aa bb cc ddb. aa bb cc dd × AA BB CC DDc. Aa Bb Cc Dd × Aa Bb Cc Ddd. aa bb cc dd × aa bb cc ddarrow_forwardFollowing a cross between two, dihybrid, heterozygous individuals, what fraction of the offspring are predicted to have a genotype that is heterozygous for both genes?arrow_forwardThe following two genotypes are crossed: AaBbCcddEe x AabbCcDdEe. What will the proportion of the following genotypes be among the progeny of this cross? (a.) AaBbCcDdEe (b.) AabbCcddeearrow_forward
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