Biology 2e is designed to cover the scope and sequence requirements of a …
Biology 2e is designed to cover the scope and sequence requirements of a typical two-semester biology course for science majors. The text provides comprehensive coverage of foundational research and core biology concepts through an evolutionary lens. Biology includes rich features that engage students in scientific inquiry, highlight careers in the biological sciences, and offer everyday applications. The book also includes various types of practice and homework questions that help students understand—and apply—key concepts. The 2nd edition has been revised to incorporate clearer, more current, and more dynamic explanations, while maintaining the same organization as the first edition. Art and illustrations have been substantially improved, and the textbook features additional assessments and related resources.
By the end of this section, you will be able to do …
By the end of this section, you will be able to do the following:
Define population genetics and describe how scientists use population genetics in studying population evolution Define the Hardy-Weinberg principle and discuss its importance
By the end of this section, you will be able to do …
By the end of this section, you will be able to do the following:
Describe the different types of variation in a population Explain why only natural selection can act upon heritable variation Describe genetic drift and the bottleneck effect Explain how each evolutionary force can influence a population's allele frequencies
Population genetics is the study of genetic variation in populations. This simulation …
Population genetics is the study of genetic variation in populations. This simulation allows the user to observe the frequencies of two alleles over time.
This site from the University of Arizona runs a two-step simulation of …
This site from the University of Arizona runs a two-step simulation of Genetic Drift. There are teacher's notes included. A great site to aid in understanding Genetic Drift.
Discusses conditions needed for the Hardy-Weinberg Law to hold true and demonstrates …
Discusses conditions needed for the Hardy-Weinberg Law to hold true and demonstrates calculations involving allelic frequencies to illustrate this principle.
This site from Palomar College contains an interactive practice quiz containingfour questions …
This site from Palomar College contains an interactive practice quiz containingfour questions on major concepts regarding gene flow. A great learning tool.
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