Ap biology lab 8 population genetics and evolution pdf

In this laboratory, you will apply this model by using your class as a sample population. Teachers manual laboratory 8 3 time requirements required knowledge expectations objectives preparation laboratory 8. Laboratory 8 population genetics and evolution 1 hhs a. Demonstrate that allele frequencies can change in a population over time. Ap biology revised 11011 ap lab 8 population genetics and evolution introduction. Rso chapter 23 all evolution of populations complete the c23 study guide due 310 complete the bug hardy weinberg packet due 310 complete the teddy graham lab and founder effects genetics sheet. Questions 38 are short freeresponse questions that require about 6 minutes each to answer. These suggestions are provided to enhance the students overall lab experience as well as their conceptual understanding. Andersen explains hardyweinberg equilibrium and describes the bead lab. Test of an ideal hardyweinberg population the class represents a breeding population. Ap lab 8 population genetics using allele a1 eb 2011. Population genetics and evolution ap bio labnotebooks. Ap biology laboratory 8 population genetics and evolution. Since 1989, there have been 12 laboratorieslovingly nicknamed the dirty dozenthat are suggested curricula for ap biology classes.

A p biology 2014 freeresponse questions college board. For a particular gene in a population, the frequency of the recessive allele a is 0. 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. Bunny evolution lab how to do the bunny evolution lab at home. Population genetics and evolution overview in this activity you will learn about the hardyweinberg law of genetic equilibrium and study the relationship between evolution and changes in allele frequency by using your class as a sample. Evolution involves change in the frequencies of alleles in a population. A few months ago there was a discussion in our group about a great genetics lab that used teddy graham crackersthanks. Weinberg developed a theory that evolution could be described as a change of the frequency of alleles in an entire population. Each student will choose another student at random to simulate random mating, the class is a population of randomly mating heterozygous individuals with an initial gene frequency of p. Weinberg independently suggested a scheme whereby evolution could be viewed as changes in the frequency of alleles in a population of organisms. Big idea recommended lab ap biology possible alternatives notes. In this investigation, students will be able to demonstrate how natural selection can alter allelic frequencies in a population and use the hardyweinberg equation to. In a population of individuals, 510 show the dominant phenotype. They span the globe in their topics and their techniques.

In the strawfish prelab, 20 blue and 20 yellow straws were put into a bag to represent alleles in a population of strawfish. Ap biology lab 8 population genetics and evolution pdf. Lab 8 name period ap biology ap biology lab 8 population. Most biologists define evolution as a change in allele frequencies in a population over time. Lab 8 genetics natalie cook ap biology population genetics. Students cultivate their understanding of biology through inquirybased investigations as they explore the following topics.

Population genetics and evolution adapted from the 2001 student lab manual purpose. This is a lab constructed by the college board and is part of the twelve labs all ap bio students do. Lab 8 ap sample population genetics biology junction. Dig into the structure and function of dna, a theme that will recur through this course. When a strawfish has two yellow allelesyy, it is yellow. Diffusion and osmosis overview the information will assist teachers with aspects of lab 1 that are not necessarily addressed in the lab manual.

Ap biology is an introductory collegelevel biology course. When a population is in hardyweinberg equilibrium, we can quantitatively determine how the alleles are distributed in the population. Background in the early 1900s, many biologists attempted to explain evolution in terms of the emerging science of. The hardyweinberg law of genetic equilibrium provides a mathematical model for studying evolutionary changes in allelic frequency within a population. Population genetics and evolution students have cards a,a,a,a represents after meiosis of heterozygous aa and randomly exchange with each other to model hardyweinberg equilibrium 1 model selection. In this approach, evolution is viewed as changes in the frequency of alleles in a population of organisms. Weinberg both came up with the idea that evolution could be viewed as changes in the frequency of alleles in a population. Ap biology lab eight population genetics evolution answers author. Evolution is one of the unifying themes in biology. In a certain group of african people, 4 percent are born with sickle cell anemia. 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. Each student will choose another student at random to simulate random mating, the class is a population of randomly mating heterozygous individuals with an. Weinberg independently suggested a mathematical approach to study evolution. In a diploid organism that has gene a gene loci that each contain one of two alleles for a.

Molecular biology paul andersen explains the two major portions of the molecular biology lab in ap biology. In this scheme, if a and a are alleles for a particular gene locus and each diploid individual. Hardy weinberg believed that evolution occurs because the frequency of alleles changes. Andersen explains hardyweinberg equilibrium and describes the. Ap biology laboratory 8 population genetics and evolution objectives estimate the frequency of alleles in a population using hardyweinberg equations. Students simulate some of the factors known to change allele frequencies and, thus, to drive evolution. For the 201220 school year, the college board unveiled a new curriculum with a greater focus on scientific practices. Continue reading lab 8 ap sample population genetics. Please give the answer and explain each step how to get it.

The hardyweinberg law of genetic equilibrium provides a mathematical model for. Advanced placement biology ap biology or ap bio is an advanced placement biology course and exam offered by the college board in the united states. 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. They used the letter p to represent and a allele and the letter q to represent the a allele. What percentage of the group has the selective advantage of being more. Hardy weinberg computer simulation activity oct 2, 2017, 12. Read online lab 8 ap biology answers lab 8 ap biology answers ap biology lab 8. The text provides comprehensive coverage of foundational research and core biology concepts through an evolutionary lens. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

Weinberg suggested a scheme whereby evolution could be viewed as changes in frequency of alleles in a population of organisms. In this investigation, students will be able to demonstrate how. Population genetics and evolution introduction in 1908, g. Data collection for the class is best performed by asking for a show of hands. When a strawfish has two blue allelesbb, it is blue. In the strawfish population, the blue and yellow alleles show an incomplete dominance. Evolution ii exam 330 will cover chapter 24 all, chapter 25 14. 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. Supported by evidence from many scientific disciplines, darwins theory of evolution states that heritable variations occur in individuals in a population.

Questions 1 and 2 are long freeresponse questions that require about 22 minutes each to answer and are worth 10 points each. Ok, so this is a little confusing, but my class did this lab using the hardyweinberg equilibrium. Estimating allele frequencies with the hardyweinberg equations. Evolution, speciation and population genetics ap biology. The following link goes to population genetics and evolution lab eight.

Mar 08, 2009 ok, so this is a little confusing, but my class did this lab using the hardyweinberg equilibrium. For exercises 8b, 8c, and 8d and optional exercise 8e, draw table 8. 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. Ap biology lab manual for teachers supplement lab 1.