Evidence for evolution from microbiology basics of genetics ubiquitous proteins and dna sequences evolution in the lab speciation in nature note. Download as doc, pdf, txt or read online from scribd. Lab 8 genetics natalie cook ap biology population genetics. Population genetics and evolution lab eight the purpose of population genetics and evolution is to study the effects that changing a condition has on hardyweinberg equilibrium. An adaptation is a structure or function that is common in a population because it enhances the. Ap lab 8 population genetics and evolution introduction.
In this laboratory, you will apply this model by using your class as a sample population. In a diploid organism that has gene a gene loci that each contain one of two alleles for a single trait t the frequency of continue reading lab 8 sample2 ap population genetics. Teddy grahams may have changed from hands uphands down varietiescheck current styles and modify names in lab accordingly. Genetic traits are determined by genes, or small segments of dna carried on chromosomes that determine physical characteristics. Feb 14, 2008 lab eight population genetics and evolution. They used the letter p to represent and a allele and the letter q to represent the a allele. Ap biology lab 8 population genetics and evolution pdf. Monika guerra biology 1407 february 1, 2017 entire class title. This is a lab constructed by the college board and is part of the twelve labs all ap bio students do. Iv quantitative genetics 5 16 introduction to quantitative genetics 7 17 resemblance among relatives 147 18 evolution of quantitative traits 157 19 selection on multiple characters 165 20 association mapping. Continue reading lab 8 ap sample population genetics. The population as the basic unit of evolution population evolves because the frequency of its features changes. A few months ago there was a discussion in our group about a great genetics lab that used teddy. Weinberg both came up with the idea that evolution could be viewed as changes in the frequency of alleles in a population.
Is this population at hardyweinberg equilibrium hwe. Ap biology laboratory 8 population genetics and evolution objectives estimate the frequency of alleles in a population using hardyweinberg equations. Biology lab 8 population genetics and evolution by mrs. Evolution occurs in populations of organisms and involves variation in the population, heredity, and differential survival. Lab 8, population genetics and evolution monika guerra. Population genetics and evolution youmust know the hardyweinberg equation and be able to use it to determine the fre quency of alleles in a population. With the population genetics and evolution classic lab kit for ap biology, use the hardyweinberg equilibrium equation and explore how population changes affect the principle. You could not singlehandedly going gone book growth or library or borrowing from your associates to. Lab eight population genetics and evolution answers. These organisms have large population sizes, short generation times and are subject to strong selective pressure for example by immune responses or drug treatment. You have sampled a population in which you know that the percentage of the homozygous recessive genotype aa is 36%. Ok, so this is a little confusing, but my class did this lab using the hardyweinberg equilibrium. Evolution and population genetics flashcards quizlet. Weinberg suggested a scheme whereby evolution could be viewed as changes in frequency of alleles in a population of organisms.
What genetic factors must be occurring for a hardyweinberg equilibrium to exist. Case studies case i a test of an ideal hardyweinberg population you as a class will become a population of randomly mating heterozygous individuals with an initial gene frequency of 0. Ap biology hardyweinberg practice problems answer key. Ken miller hot science, cool talks at ut austin, elizabeth saunders, carl wozniak, caltech bio 1.
We were given genotypes that we split up into cards we all started as aa and had two a cards and two a cards, and then we mated with people, and we shuffled our cards and put down two randomly. Weinberg independently suggest a scheme whereby evolution could be viewed as chang es in the frequency of alleles in a population of. How genetic drift, selection and the heterozygote advantage affect hardy weinberg equilibrium. Population genetics molecular evolution journal club. Considering a large infinite population size, we have seen that allele frequencies do not change by. Population genetics and evolutionclassic lab kit for ap biology. Demonstrate that allele frequencies can change in a population over time. Population genetics 1 consider the starting population on page 9 of the lab manual 40 blue. Population genetics of selection evolutionary biology. Objectives before doing this lab you should understand. A few months ago there was a discussion in our group about a great genetics lab that used teddy graham crackersthanks to some help from nsta, i found the lab. The hardyweinberg equationscan be applied to estimate the frequencies of specified alleles within a population at any given time.
Pdf book lab eight population genetics and evolution answers getting the books lab eight population genetics and evolution answers now is not type of challenging means. Ap biology laboratory 8 population genetics and evolution. Population genetics and evolution objectives required knowledge background expectations. View lab report lab 8, population genetics and evolution from biology 1407 at harlingen h s south. Lecture notes in population genetics holsinger lab. Apbiology population genetics and evolution free download as word doc. Population genetics and evolution adapted from the 2001 student lab manual purpose. Andersen explains hardyweinberg equilibrium and describes the bead lab. Since evolution is difficult if not impossible to observe in most natural populations, we will model the evolutionary process using the class as a simulated population. Population genetics and evolutionclassic lab kit for ap. In a diploid organism that has gene a gene loci that each contain one of two alleles for a. Mar 08, 2009 ok, so this is a little confusing, but my class did this lab using the hardyweinberg equilibrium.
In this scheme, if a and a are alleles for a particular gene locus and each diploid individual. Ap biology lab eight population genetics evolution answers author. The name of this lab is population genetics and evolution. The concept of describing frequencies of inherited traits owes its origin to scientific works published at the beginning of the 20th century.
Estimating allele frequencies with the hardyweinberg equations. Later we had them transferred to magnetic tape, and handedited that into text for the runoff family of textformatting programs. The text can be criticized for not introducing the reader to empirical population genetics. Lab 8 ap sample population genetics biology junction. One way to study evolution is to study how the frequency of alleles in a population changes from generation to generation. Lab eight population genetics and evolution answers keywords. The first eight weeks attempt to move chronologically through some important papers in the history of population genetics and molecular evolution, mainly focusing on the history of the fields. This lab will allow for the exploration of the hardyweinberg law of genetic equilibrium in depth by studying the relationship between evolution and changes in allele frequencies in a sample population, the class.
Laboratory 8 population genetics and evolution 3 hhs a. Teachers manual laboratory 8 7 other kinds of forces that affect allele frequencies in a population, e. Weinberg developed a theory that evolution could be described as a change of the frequency of alleles in an entire population. Apbiology population genetics and evolution zygosity. Hardy weinberg believed that evolution occurs because the frequency of alleles changes. The hardyweinberg law of genetic equilibrium provides a mathematical model for studying evolutionary changes in allelic frequency within a population. Book free download lab eight population genetics and evolution answers. Population genetics and evolution read through the entire laboratory packet and answer the questions below.
The purpose of this simulation is to provide an opportunity to test some of the basic tenets of population genetics and evolutionary biology. Lab eight population genetics and evolution answers author. Population genetics and evolution pearson the biology place. We are broadly interested in evolution, ecology, and population genetics with a focus on rapidly evolving pathogens such as hiv, influenza virus, or pathogenic bacteria. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Conditions for maintaining hardyweinberg equilibrium. To use a data set that reflects a change in the genetic makeup of a population over time and to apply mathematical methods and conceptual understandings to investigate the. I was attempting to use the hardyweinberg equation and determine if it was applicable to our conditions. Due wednesday october 6, at the beginning of the lab. Lab elgm population genetics and evolution overview in this lab you will. Weinberg developed a theory that evolution could be described as a change of the frequency of.