Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 24, Problem 6TYU
Plant species A has a diploid chromosome number of 12. Plaut species B has a diploid number of 16. A new species, C, arises as an allopolyploid from A und B. The diploid number for species C would probably be
(A) 14.
(B) 16.
(C) 28.
(D) 56.
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Species I is diploid (2n=8) with chromosomes AABBCCDD. Related species II is diploid (2n=8) with chromosomes MMNNOOPP. Individuals with the ff. sets of chromosomes represent what types of chromosome mutations (be very specific)? Give the level of ploidy (in equation form) and resultant chromosome number for each plant.
AABBCCCCDD (c) MMNNOOOPPP (e) AABBCDD
AABBDD (d) AABBCCDDMNOP
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. AABBCCDDMNOP
Species 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.
Chapter 24 Solutions
Campbell Biology
Ch. 24.1 - Prob. 1CCCh. 24.1 - WHAT IF? Suppose two bird species live in a...Ch. 24.2 - Summarize key differences between allopatric and...Ch. 24.2 - Prob. 2CCCh. 24.2 - WHAT IF? Is allopatric speciation more likely to...Ch. 24.2 - MAKE CONNECTIONS Review the process of meiosis in...Ch. 24.3 - 1. What are hybrid zones, and why can they be...Ch. 24.3 - WHAT IF? Consider two species that diverged while...Ch. 24.4 - Speciation can occur rapidly between diverging...Ch. 24.4 - Prob. 2CC
Ch. 24.4 - MAKE CONNECTIONS Compare Figure 13.12 with Figure...Ch. 24 - Explain the role of gene flow in the biological...Ch. 24 - Can factors that cause sympatric speciation also...Ch. 24 - What factors can support the long-term stability...Ch. 24 - Is speciation something that happened only in the...Ch. 24 - The largest unit within which gene flow can...Ch. 24 - Prob. 2TYUCh. 24 - Prob. 3TYUCh. 24 - Prob. 4TYUCh. 24 - Which of the following factors would not...Ch. 24 - Plant species A has a diploid chromosome number of...Ch. 24 - Prob. 7TYUCh. 24 - SCIENTIFIC INQUIRY DRAW IT In this chapter, you...Ch. 24 - WRITE ABOUT A THEME: INFORMATION In sexually...Ch. 24 - Prob. 10TYU
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- Diploid = 2n with n being # of chromosomes so, a) Haploid = n b) Haploid = 3narrow_forwardSpecies A and B are closely related. Species A has 2n = 12 chromosomes, and species B has 2n = 16 chromosomes. How many chromosomes would be found in the somatic cells of an allotetraploid? 56 38 20 28 14arrow_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. 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 IIarrow_forward
- 26) Why is it important for gametes to be haploid? A) To increase genetic variation B) To regulate the gametes more strictly C) So that fertilization results in diploid offspring D) To create more gametes and produce more offspring (did notarrow_forwardWhich of the following statements about polyploidy is not correct O a. Wheat is a natural autoploid O b. Autopolyploids have mutiple copies of the same genome O C. Datura stramonium is a natural aneuploid O d. Aneuploidy plants have 1 or 2 chromosomes less or more from the normal chromosome set O e. Allopolyploids plants has genomes from different species Which medicinal plant is called Kaff Al Maryam in Arabic O a. Reichardia tingitana O b. Nerium oleande С. Caralluma aucheriana d. Rhazya stricta е. Anastatica hierochuntica Which of the following structure a mean of asexual propogation in plants O a. Tuber O b. Rhizome O C. Tiller O d. Sucker O e. Stolon When a body of water becomes overly enriched with minerals and nutrients which induce excessive growth of a O a. Water pollution Saponicationarrow_forwardWhich reproductive barrier is most likely to prevent interbreeding between a polyploid species and its diploid sister species?arrow_forward
- 4 Species I is diploid (2n = 8) with chromosomes AABBCCDD; related species II is diploid (2n = 8) with chromosomes MMNNOOPP. What types of chromosome mutations do individual organisms with the following sets of chromosomes have? a. AAABBCCDD e. AAABBCCDDD b. MMNNOOOOPP c. AABBCDD d. AAABBBCCCDDD 5 Species I has 2n = 8 chromosomes and species II has 2n = 14 chromosomes. What would be the expected chromosome numbers in individual organisms 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 f.. AABBDD g. AABBCCDDMMNNOOPP h. AABBCCDDMNOParrow_forwardWhich of the following is a benefit of meiosis? A. The generation of offspring with the exact genetic material of the parents ensures the offspring are well-liked to their environment. B. The independent assortment of alleles increases genetic diversity, which allows the species to evolve. C. The separation of chromatids in meiosis creates offspring with only the most desirable traits, which increases the likelihood of species survival. D. The use of meiosis in reproduction allows for the rapid production of many offspring, which increases the odds of species survival.arrow_forwardSpecies 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? Q.AABBCCDDMMNNOOPParrow_forward
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