This ap biology product is a fun lab activity to teach hardyweinberg analysis and. Start with a population of 50 fish crackers from the ocean mixing bowl. Screenshot of popgen fish pond model virtual biology lab. The hardy weinberg goldfish lab is an edible, handson activity to help students understand the hardy weinberg principle. Help your students understand the hardyweinberg principle by modeling a. Goldfish 0 bowl 0 napkin 0 gloves in this lab you will use fish crackers to help. The hardyweinberg principle states that allele and genotype frequencies remain stable in a population over generations if certain conditions are met. Lab you will use goldfish crackers to help further your understanding of. This interactive virtual lab provides a good introduction to the. Their faces are great, i love listening to them rationalize. To randomly select the fish, close your eyes, reach into the bowl and pick out 10 fish.
One of the most important mathematical models in biology is called the hardy weinberg theorem. Several packages of pretzel flavored goldfish crackers procedures 1. Take your paper cup to the ocean mixing bowl of goldfish crackers and randomly. The problem of the goldfish cracker population genetics and evolution lab that i was trying to solve was to determine the allele frequencies of my own population, as well as the classes frequency. After selecting 10 fish, we would then eat 3 white fish. Browse the latest lab supplies and equipment for all your science lab essentials. The hardy weinberg rule is an important tool for detecting changes in the genotype frequencies of a population. This model is an agentbased population genetics simulation. In this lab you will use goldfish crackers to help further your understanding of natural selection and evolution. Do not conduct the activity in a laboratory where chemicals or other agents can contaminate the crackers. What major hardy weinberg assumptions were not strictly followed in this simulation. High school preap and ap biology learning hardy weinberg equilibrium in population sampling using goldfish crackers.
Hardy weinberg lab ap biology lab notebook the hardy weinberg goldfish lab is an edible, handson activity to help students understand the hardy weinberg principle. Weinberg independently proposed that the frequency of alleles and genotypes in a population will remain constant from generation to generation if. We took a paper bowl and randomly selected from a bowl of goldfish consisting of white, brown, and gold crackers. Lab report natural selection hardy weinberg equilibrium lab assistant hvburt. Population genetics and the hardyweinberg principle. The alleles in this lab would be the different types of goldfish crackers, the original, pretzel and cheddar cheese. Several packages of pretzel flavored goldfish crackers. The hardy weinberg goldfish lab is an edible, handson activity to help. The problem of the goldfish cracker population genetics and evolution lab that i was trying to solve was to determine the allele frequencies of my own population, as well as the classes frequency using the hardyweinberg equation. Ap biology goldfish population genetics by bio4u high school. Empty one bag of each type of crackers cheese and pretzel into a large bowl and mix.
Population genetics and evolution allele frequencies. Abstract in this lab of fishing out random goldfish, we looked at the allele frequencies in a population and how they can differ and change. These skills, by their very nature, have a broad application to learning. Send one student from your group to collect a random population of 10 fish crackers from the large bowls ocean, place them on a paper plate and take them back to your lab group. Hardy weinberg goldfish lab thoughtco population genetics and the hardy weinberg law answers to sample questions remember the basic. Population genetics examines the relationship among genotype frequencies in a population, allele frequencies in its gene pool, and factors that can change these. Hardyweinberg rule was used to calculate the genotype and allele frequencies for each generation. I discuss the theory of the lab briefly, then walk through a tutorial of how to set up a spreadsheet to model population genetics in microsoft excel.