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 24, Problem 7TYK
Summary Introduction
Introduction: Polyploid species arise due to interbreeding of two different species. The hybrids may propagate asexually, but they are sterile due to complications in the mitotic division of gametes.
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3) Allopolyploidy involves
a.a genetic divergence that results in nonviable offspring.
b.a decrease in chromosome number within a single species.
c.an increase in chromosome number following hybridization of different species.
d.an increase in chromosome number within a single species.
Which of the salt-marsh grasses is a polyploid? a. Spartina maritima b. Spartina alterniflora c. Hybrid between Spartina maritima and Spartina alterniflora d. Spartina anglica e. Both c and d
Pea plants have seven different types of chromosomes. A chromosome with a centromere at the very end is called
a.
submetacentric.
b.
acentric.
c.
acrocentric.
d.
metacentric.
e.
telocentric.
Chapter 24 Solutions
Study Guide for Campbell Biology
Ch. 24 - Prob. 1IQCh. 24 - Fill in the following table to review three of the...Ch. 24 - a. A new plant species 8 forms by autopolyploidy...Ch. 24 - a. Differentiate between allopatric and sympatric...Ch. 24 - Use the following diagrams to explain the three...Ch. 24 - Prob. 6IQCh. 24 - Prob. 1SYKCh. 24 - Prob. 2SYKCh. 24 - What does the term punctuated equilibria describe?Ch. 24 - Prob. 1TYK
Ch. 24 - Prob. 2TYKCh. 24 - Prob. 3TYKCh. 24 - Which of the following is not a mechanism...Ch. 24 - Prob. 5TYKCh. 24 - Prob. 6TYKCh. 24 - Prob. 7TYKCh. 24 - Prezygotic barriers to reproduction between...Ch. 24 - A botanist identifies a new species of plant that...Ch. 24 - Which of the following would not contribute to...Ch. 24 - Morphological and genetic comparisons group 30...Ch. 24 - Prob. 12TYKCh. 24 - This chapter introduced several research studies...
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- Species I is diploid (2 n = 8) with chromosomes AABBCCDD; related species II is diploid (2 n = 8) with chromosomes MMNNOOPP. What types of chromosome mutations do individuals with the following sets of chromosomes have? a. AAABBCCDD b. MMNNOOOOPP c. AABBCDD d. AAABBBCCCDDD e. AAABBCCDDD f. AABBDD g. AABBCCDDMMNNOOPP h. AABBCCDDMNOParrow_forwardAn organism that has two different alleles for a single trait is said to be for that trait. Select one: O O O a. heterologous b. heterozygous c. homozygous d. haploid e. diploidarrow_forwardSpecies I is diploid (2 n = 4) with chromosomes AABB; related species II is diploid (2 n = 6) with chromosomes MMNNOO. Give the chromosomes that would be found in individuals with the following chromosome mutations: a. Autotriploidy in species I.b. Allotetraploidy including species I and II.c. Monosomy in speciesI.d. Trisomy in species II for chromosome M.e. Tetrasomy in species I for chromosome A.f. Allotriploidy including species I and II.g. Nullisomy in species II for chromosome N.arrow_forward
- The diagram of a gamete below depicts a single chromosome within a gamete. The bars spanning the chromosome indicate 2 genes. Considering only the two genes shown, which of the following processes was NOT capable to produce genetic diversity among the gametes of an individual? O Select all that apply: Select one or more: ✓ a. independent assortment b. sex linkage c. recombination d. mutation e. fertilizationarrow_forwardWhich of the salt-marsh grasses in Figure is a polyploid?a. Spartina maritimab. Spartina alterniflorac. Hybrid between Spartina maritima and Spartina alterniflorad. Spartina anglicae. Both c and darrow_forwardCorn has 10 chromosomes per set, and the sporophyte of the species is diploid. If you performed a karyotype, what is the totalnumber of chromosomes you would expect to see in each of thefollowing types of cells?A. A leaf cellB. The sperm nucleus of a pollen grain C. An endosperm cell after fertilizationD. A root cellarrow_forward
- . According to the law of independent assortment,a. all possible combinations of factors can occur in thegametes.b. only the parental combinations of gametes can occur in thegametes.c. only the nonparental combinations of gametes can occur in thegametes.arrow_forwardWhich of the following mechanisms are important for generating new genotypes in species that reproduce sexually? a. Chromosome Inversions b. Crossing Over c. Independent Assortment d. Both a. and b. e. Both b. and c.arrow_forwardIn the experiment by Bateson and Punnett, which of the following observations suggested genetic linkage in the sweet pea a. A 9:3:3:1 ratio was observed in the F2 offspring.b. A 9:3:3:1 ratio was not observed in the F2 offspring.c. An unusually high number of F2 offspring had phenotypes ofthe parental generation.d. Both b and c suggested linkage.arrow_forward
- Explain the terms haploid, diploid, and polyploid. Why is polyploidy so much more common in plants than in animals? Give examples of polyploid animals. Polyploid plants may occur naturally or they may be created intentionally by agricultural scientists. List four examples of polyploid commercial crops and explain why they are superior to their diploid ancestors.arrow_forwardWhich of the following statements accurately represents the difference between a gene and a locus? a. A gene is dominant, and a locus is recessive. b. A locus and a gene are essentially the same - there is no difference. c. A locus occurs in diploid cells, and a gene occurs in a haploid cell. d. A locus is a phenotype and a gene is a genotype.arrow_forwardA plant has a genotype AaBb. there is no linkage of the genes. the gametes it will produce are: A) AB and ab B) Aa and Bb C) AA, aa, BB and Bb D) AB, Ab, aB and abarrow_forward
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