Campbell Biology: Custom Edition
18th Edition
ISBN: 9781323717271
Author: Urry, Cain, Wasserman, Minorsky, Reece
Publisher: PEARSON C
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Textbook Question
Chapter 24, Problem 1TYU
The largest unit within which gene flow can readily occur is a
- (A) population.
- (B) species.
- (C) genus.
- (D) hybrid.
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Chapter 24 Solutions
Campbell Biology: Custom Edition
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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- Which of the following decreases genetic variation in a population? a)natural selection b)mutation c)gene flow d)meiosis e) A and C only (Option E is said to be incorrect)arrow_forwardWhich key feature of living organisms is best described as the transmission of DNA from parent to offspring? A.)Homeostasis B.)Growth C.)Response to changes D.)Inheritancearrow_forwardGene flow is accomplished by ______ A) migration B) sexual recombination C) natural selectionD) genetic driftE) mutation Then explain why the incorrect answers are wrong.arrow_forward
- Give typing answer with explanation and conclusionarrow_forwardIn evolutionary terms, an organism's fitness is measured by its 1. a) population rate changes due to environmental pressures 2. b) contribution to the gene pool of the next generation 3. c) rate of genetic variability across mitotically changing exons 4. d) mutation rate due to genetic drift 5. e) all of the abovearrow_forwardDNA recombination occurs during the process of __________ and affects the population by ________ A) Meiosis, decreasing genetic variation B) Meiosis, increasing genetic variation C) Mitosis, decreasing genetic variation D) Mitosis, increasing genetic variation E) Both B and D are correct F) Both A and C are correctarrow_forward
- All evolutionary changes that allow a species to change in response to the environment are originally a result of A) beneficial DNA mutations. Eliminate B) movement to new environments where survival is easier. C) cross-breeding with other species of closely related organisms. D) adaptations that organisms make to the environment during their lifetimes. Not Gradedarrow_forwardAll of the following are common or recurrent themes in biology except A) Organisms grow, develop, and reproduce B) Function determines structure C) Matter is recycled while energy flows through living systems D) Living organisms maintain homeostasis E) Evolutionary processes explain both the unity and adaptive diversity of life.arrow_forwardAll genetic differences between all the individuals of all the different species are a result of O a) mutations O b) the need for new traits O C) None of the other answers is correct. O d) differences in the rate of translation e) differences in the rate of transcriptionarrow_forward
- In which situation will populations experience gene flow? A)hybridization between two populations of ground beetles B)natural-selection pressures between two populations of dragonflies C)mate competition between two populations of red-legged grasshoppers D)intersecting migration routes between two populations of monarch butterfliesarrow_forwardHow many base pairs of genomic DNA is in the nucleus of a human gamete? a) 16,569 b) 6 billion c) 3 billion d) 1.5 billionarrow_forward2) If this model continues, with no major changes to the environment, what do you expect to happen? XA) Rabbits will continue to get lighter over time. There is no way to predict because mutations are random. B) edator 9) D) Mutations will all die out leaving only the original fur color. Dark gray fur will become the common phenotype because it favors survival.arrow_forward
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