Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 23, Problem 4RQ
a.
Summary Introduction
To differentiate: Divergence and gene flow.
Introduction: The accumulation of variations in a closely-related species leading to
Summary Introduction
To differentiate: Homologous and analogous structures.
Introduction: The structures having same anatomical structure but different function are known as homologous structure. The structures having same function but different anatomical features are known as analogous structure.
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Chapter 23 Solutions
Human Biology (MindTap Course List)
Ch. 23 - Prob. 1RQCh. 23 - As shown in Figure 23.25, there is considerable...Ch. 23 - Prob. 3RQCh. 23 - Prob. 4RQCh. 23 - Prob. 5RQCh. 23 - Prob. 6RQCh. 23 - Prob. 1SQCh. 23 - The relative numbers of different genes (alleles)...Ch. 23 - A difference in survival and reproduction among...Ch. 23 - The fossil record of evolution correlates with...
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- a.Explain the four basic criteria on which RH Whittaker system of classification is based on. b. Briefly describe the main concepts of evolution by natural selection c.Distinguish between the two kingdom classifications carolus Linnaeus.arrow_forwardDescribe mutations that do not affect protein structure or function and provide details of how such mutations may play a role in evolutionary change and speciation. Give a specific example (including both the phenotypes and mutation)arrow_forwardA mutation that alters the embryonic expression pattern of an _______ may lead to major differnces in the adult form. a. derived trait c. homologous structure b. homeotic gene d. analogous strcuturearrow_forward
- Explain into details the concept of speciation .arrow_forwardDefine gene mutation Group of answer choices A. the process whereby organisms better adapted to their environment tend to survive and produce more offspring. B. the introduction of genetic material (by interbreeding) from one population of a species to another, thereby changing the composition of the gene pool of the receiving population C. variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce. D. A rare and random change in a gene that can be bad or benef icial depending on the environment .arrow_forwardExplain gene flow as a force of evolution (how does gene flow contribute to biological change?)arrow_forward
- Part 1 V Create an A3 poster that demonstrates the following genetic concepts: The difference between continuous and discontinuous variation.arrow_forwardDescribe some models of speciation and give examples of each.arrow_forwardD) Two dragonfly populations that have accumulated several differences in their DNA sequences How do you know that is the answer? I thought we were not allowed to use DNA sequences in the lineage species concept.arrow_forward
- Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)? A. Order B. Subspecies C. Class D. Genusarrow_forward. In a phylogenetic or evolutionary tree, how is relatedness defined, i.e., what is used to determine relatedness?arrow_forwardDiscuss the phenomenon of polyploidy and explicitly demonstrate how it can contribute to the process of speciation.arrow_forward
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