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 4IQ
- a. In the following cross, what is the probability of obtaining offspring that show all three dominant traits? Assume that the genes are on different chromosomes.
AaBbcc × AabbCC
probability of offspring that are A_B_C_ = ______ (The _indicates that the second allele can be either dominant or recessive without affecting the
phenotype determined by the first dominant allele.) - b. What is the probability that the offspring of this cross will show at least two dominant traits? ______
- c. What is the probability of obtaining offspring that show only one dominant trait? ______
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A. House mice have two coat colors; gray (agouti, or wild type) and black. When
true-breeding gray mice are crossed with true-breeding black mice, the F, generation
are all gray. In the F, generhtion there are three gray to one black (3/4 gray : 1/4
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1. Diagram the F, cross, using G = gray, g = black.
a. A variety of fruit bearing plants with the dominant allele A produces cream-coloured fruit while aa plants produce pink or red fruit. Red fruit is produced if allele B is present, and pink fruit is produced when the genotype is bb. What are the expected F2 phenotypes and proportions from intercrossing the F1 offspring of a cross between two plants with the genotype AAbb and aaBB? b. A certain animal can have brown, red, black or gray fur. Assume that fur colour is controlled by a single gene with multiple alleles in a dominance series where black (B1) > brown (B2) > red (B3) > gray (B4). Give the genotypes of two phenotypically different heterozygotes that when crossed produce offspring with the phenotypic ratio of 1 red : 2 black : 1 brown.
A. Consider this cross before answering the following questions:A pea plant heterozygous for the first trait and recessive for the second trait is crossed with a pea plant heterozygous for the first trait and homozygous-dominant for the second trait.
1. If the first gene is demonstrating dominant epistasis to the second gene, what is the probability that the F1 progeny will expressa. the dominant feature for the second trait?b. the recessive feature for the second trait?c. Neither dominant nor recessive features for the second trait?
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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