PPT-Genetic Variation & the Founder Effect

Genetic Variation amp the Founder Effect Starter How can genetic diversity be increased How can genetic diversity be decreased List as many ways as you can think of Learning Objectives Understand what is meant by the Founder effect and how it results in a loss of genetic diversity. variation & the Founder Effect. LO: . how bottle necking and the founder effect alter genetic variation.. . All. Most. Some. What is the founder effect and how does it affect genetic diversity?. Genetic Variation . How can genetic diversity be increased?. How can genetic diversity be decreased?. List as many ways as you can think of. Learning Objectives. Understand what is meant by the ‘Founder effect’ and how it results in a loss of genetic diversity. Genetic Drift. Genetic drift is random fluctuation in allele frequency between generations. . The effects of genetic drift are pronounced in small populations. .. A Genetic Bottleneck is a Form of Genetic Drift. Random change in allele frequencies from 1 generation to . the next.. Individuals who survive . & pass on their genes are not necessarily the “fittest” . Leads to a loss of genetic variation. Image from about.com . meiosis_metaphase_1.jpg. . Mutations. (changes in an organism’s DNA) are the . original. . source of . all. genetic variation. Mutations create different versions of genes called . Your Subtitle Goes Here. Introduction. Two objectives:. Major concepts related to human genetic variation.. Relationship between basic biomedical research and the improvement of personal and public health.. You can compare dogs of every breed imaginable! . There is an enormous range of characteristics that are the result of . genetic variation. . . The differences among breeds of dogs are so great that someone might think that many of these breeds are different species. . You can compare dogs of every breed imaginable! . There is an enormous range of characteristics that are the result of . genetic variation. . . The differences among breeds of dogs are so great that someone might think that many of these breeds are different species. . ANGGOTA KELOMPOK. SRI YUNIARTININGSIH (P2BA10009). YAYUK SUGIYARTI (P2BA10025). IHDA SYFAI (P2BA10010). Origins of Genetic Variation Among Offspring. The behavior of chromosomes during meiosis and fertilization is responsible for most of the variation that arises in each generation. Jode Edwards, USDA ARS. Dustin Mclean, University of . Guleph. Yunfei. Jiang, University of Guelph. Elizabeth, Lee, University of Guelph. Mark Mikel, University of Illinois. Martin Bohn, University of Illinois. BMI/CS 776 . www.biostat.wisc.edu/bmi776/. Spring 2022. Daifeng. Wang. daifeng.wang@wisc.edu. These slides, excluding third-party material, are licensed under . CC BY-NC 4.0. . by Mark Craven, Colin Dewey, Anthony . BMI/CS 776 . www.biostat.wisc.edu/bmi776/. Spring . 2018. Anthony Gitter. gitter@biostat.wisc.edu. These slides, excluding third-party material, are licensed under . CC BY-NC 4.0. . by Mark Craven, Colin Dewey, and Anthony Gitter. People have more . children. than are able to . survive. .. There are built-in population checks: . disease. , . famine. , and . war. .. Darwin based his theory on his own observations and the writings of Thomas Malthus.. Claire Bowern (with Keith . Hunley. and . Meghan . Healy). Yale and . University of New Mexico. Feb 9, 2012. Based on . Hunley. . et al. : (2012) Rejection of a Serial Founder Effects model… . Roy Soc. Proc. B. .