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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Textbook Question
Chapter 24, Problem 3IQ
- a. A new plant species 8 forms by autopolyploidy from species A, which has a chromosome number of 2n = 10. How many chromosomes would species 8 have?
- b. If species A were to hybridize with species C (2n = 14) and produce a new allopolyploid species D, how many chromosomes would species D have?
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Species I has 2 n = 8 chromosomes and species II has 2 n = 14 chromosomes. What would the expected chromosome numbers be in individuals with the following chromosome mutations? Give all possible answers. a. Allotriploidy including species I and II b. Autotetraploidy in species II c. Trisomy in species I d. Monosomy in species II e. Tetrasomy in species I f. Allotetraploidy including species I and II
Plant species A has a diploid chromosome number of 12. Plantspecies B has a diploid number of 16. A new species, C, arises asan allopolyploid from A and B. The diploid number for speciesC would probably be(A) 14. (B) 16. (C) 28. (D) 56.
Species I is diploid (2n = 4) with chromosomes AABB;
related species II is diploid (2n = 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 species I
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
3 Species I has 2n = 16 chromosomes. How many
chromosomes will be found per cell in each of the following
mutants in this species?
a. Monosomic
e. Double monosomic
b. Autotriploid
f. Nullisomic
c. Autotetraploid
d. Trisomic
g. Autopentaploid
h. Tetrasomic
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_forwardsi4arrow_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
- Options include: A. 20 B. 14 or 16 C. 4 D. 12 or 18arrow_forward. The numbers of chromosomes in the somatic cells ofseveral oat varieties (Avena species) are: sand oats(Avena strigosa)—14; slender wild oats (Avenabarata)—28; and cultivated oats (Avena sativa)—42.a. What is the basic chromosome number (x) in Avena?b. What is the ploidy for each of the different species?c. What is the number of chromosomes in the gametesproduced by each of these oat varieties?d. What is the n number of chromosomes in eachspecies?arrow_forwardSpecies I has 2 n = 8 chromosomes and species II has 2 n = 14 chromosomes. What would the expected chromosome numbers be in individuals with the following chromosome mutations? Give all possible answers. Q. Trisomy in species Iarrow_forward
- Use two different colors to depict the unduplicated chromosomes of species C with larger chromosomes (2n = 8) and species D with slightly smaller chromosomes (2n =10), and of their F1 hybrid. Is the hybrid likely to befertile?arrow_forwardSpecies I has 2 n = 8 chromosomes and species II has 2 n = 14 chromosomes. What would the expected chromosome numbers be in individuals with the following chromosome mutations? Give all possible answers. Q. Allotriploidy including species I and IIarrow_forwardneed helparrow_forward
- Species I has 2 n = 8 chromosomes and species II has 2 n = 14 chromosomes. What would the expected chromosome numbers be in individuals with the following chromosome mutations? Give all possible answers. Q. Tetrasomy in species Iarrow_forward. A geneticist working on a haploid fungus makes a cross between two slow-growing mutants called mossy and spider (referring to the abnormal appearance of the colonies). Tetrads from the cross are of three types (A, B, C), but two of them contain spores that do not germinate.Devise a model to explain these genetic results, and propose a molecular basis for your model.arrow_forwardTwo unrelated species of plants were hybridized. Species A is described as 2n = 16. Species B is described as 2n = 10. %3D How many chromosomes are in the hybrid? Fill in the number of univalents and bivalents you would expect to see in meiosis in this hybrid.If none of a type are seen, fill in 0. Univalents Bivalents The number of chromosomnes can be doubled in the lab using the chemical Assume that the number of chromosomes in the hybrid was doubled using the chemical above. The resulting plant is most likely Fill in the number of univalents and bivalents you would expect to see in meiosis of this final hybrid. none are seen, fill in 0, Univalents Bivalentsarrow_forward
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