Allele Frequencies Teacher Resources
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Allele Frequencies and Sickle Cell Anemia Lab
Students investigate how selective forces like food, predation and diseases affect evolution. In this genetics lesson, students use red and white beans to simulate the effect of malaria on allele frequencies. They analyze data collected from the experiment and answer analysis questions at the end of the lab.
Students use a mathematical simulation of genetic drift to answer questions about the factors that influence this evolutionary process. They run a series of simulations varying allele frequency and population size and then analyze their data and propose a model to explain their results. A second set of simulations is performed with natural selection added to the simulation.
Students explain the basics of evolution by natural selection. They calculate allele frequencies as they relate to inheritance. They explain the Hardy-Weinberg Law and how evolution takes place when this law is not in place.
Molecular Approaches to Evolution
Learners examine the molecular studies of organisms that have led to a new era in their understanding of speciation and evolutionary relationships. Students study the allelic frequency of genes controlling specific molecules and assess historical continuity among closely and distantly related species. Learners research and work on molecular data.
Fancy Fish: Gene Frequency
High school biology learners simulate gene flow within a population of fish. They hold colored fish cards as identification and carry "Good & Plenty®” candies to represent alleles, the recessive homozygous of which is lethal. You will need to construct the fish cards and set obstacles up around the room for fish to swim around.
Measuring Evolution of Populations
The Hardy-Weinberg principle is the focus of this concise slideshow. Some vocabulary definitions are given on the first 2 slides, and the rest are given over to examples of the Hardy-Weinberg theorem. Calculations of the H-W principle are shown applied to sickle cell and malaria.
Measuring Evolution of Populations
The five agents of evolutionary change are reviewed in this slideshow. Definitions of common terms involved with populations and equilibrium are given, and there are some presentations of Hardy Weinberg equations for common examples of characteristics of populations.
In this flower population worksheet, students use a diagram of first and second generations of a flower population to complete 2 short answer questions about genotype and allelic frequency.
Not Just a Bag of Beans
Students determine the types of natural selection and variation that exists in a population, using beans.
Evolution and Theory
Students discuss Darwin's theory of evolution. In this biology lesson, students investigate what influenced Darwin's thinking as it relates to Evolution. They discuss pros and cons of Natural Selection.
Evolution of Populations
In this evolution worksheet, students review the genetic aspect of evolution such as gene pools, specific traits, and genetic mutations. This worksheet has 15 multiple choice and 5 fill in the blank questions.
Evolution of Populations
In this evolution worksheet, students look at the role genes play in the transferring of traits to generations. Students review gene pools, natural selection, and genetic drift. This worksheet has 5 fill in the blank and 15 multiple choice questions.
A Lesson on the Nature of Science
If you are looking for a great way to present natural selection in humans, look no further. This handout is intended to accompany the 14-minute video The Making of the Fittest: Natural Selection in Humans, which can be found on the publisher's website. Before watching the video, learners read a page of information about sickle cell disease, then answer questions about sickle cell disease, and about the progress of science as a social process. Next, the video is shown, with pupils answering several higher-level thinking questions about concepts presented in the video.
Mechanisms of Evolution
What does appearance have to do with survival in nature? Allow your future biologists a chance to learn about natural selection through games, flashcards, discussions, and an interesting writing prompt about squirrel colors in the Grand Canyon. Also included are several ways to differentiate, possible extensions, and school-home connections.
In this detailed and comprehensive multi-day activity, budding evolutionary biologists use real data from lizard populations in the Canary Islands to examine evolution and natural selection.
After learning to calculate probabilities for single examples of genetic crosses in a previous lecture, students are exposed to the concept that allele and genotype frequencies in a population remain in constant equilibrium. A reasonable grasp of math is necessary to comprehend this presentation.
The Empirical Challenges of Racial Classification
This instructional activity will help students examine their preconceptions and assumptions about racial categories and understand the impossibility of constructing a consistent system of human racial classification.
Patterns of Evolution and Selection
Can your young biologists interpret population graphs, match macroevolution patterns and descriptions, and answer multiple choice questions about evolution? Find out with a comprehensive three-page quiz covering some specific examples of natural selection and adaptation. To help you collect academic data, you may choose to use the quiz as a pretest or a posttest.
Roger Rabbit's Family ~ A Study of Population Genetics
Here is a cute, yet practical assignment for using the Hardy-Weinberg principle for determining allele frequency in an imaginary family of rabbits. Roger Rabbit, an albino bunny, noticed that some bunnies in his clan had brown fur. Your junior geneticists examine the genotypes for 200 members of the clan and calculate frequency. The worksheet is five pages long and includes an optional interactive extension exercise.
Spork and Beans
Students examine natural selection, how it works and how it can cause microevolution. For this evolution lesson students complete a lab activity that shows the effects that natural selection has on organisms.