PPT-Variation in Population Size

13 Starter Recap Definitions of Population Abiotic Biotic Learning Objectives State what factors determine the size of a population Describe the abiotic factors that affect the size of a population. Population structure . in case-control studies. Population consists of underlying subpopulations.. Disease prevalence different between subpopulations.. Cases preferentially ascertained from specific subpopulations.. Genetic Variation- the raw material for evolution. Evolution. A change in allele frequencies across generations. Evolution. A change in allele frequencies across generations. Selection. Genetic Drift. Genetic Drift (and Inbreeding). DEVIATION. . from . Hardy-Weinberg Equilibrium. Indicates that . EVOLUTION. Is happening. 4 Major Evolutionary Mechanisms that alter allele frequencies in populations:. John . Sweka. USFWS – Northeast Fishery Center. Lamar, PA. What is the goal of fish habitat restoration efforts and partnerships?. To create more/better fish habitat. To enhance/recover/restore fish populations. Population structure . in case-control studies. Population consists of underlying subpopulations.. Disease prevalence different between subpopulations.. Cases preferentially ascertained from specific subpopulations.. in the Human Genome. Redon et. al.. Presentation By. Nguyen Dinh. Samer Metri. What are CNVs?. CNVs are segments of DNA that are 1kb or larger and show up at variable copy numbers.. CNVs can include both deletions and duplications. eyes, what . frequency of the population . is hybrid for brown eyes? Homozygous for brown eyes. ?. 2. . How . does sexual . reproduction . produce variation. ?. 3. Why are point/substitution mutations also known as silent mutations?. What is variation?. Define Variation…. What controls variation in a population?. Most characteristics are controlled by multiple genes. Any character that shows a gradation from one extreme found in the population to the other is called . John . Sweka. USFWS – Northeast Fishery Center. Lamar, PA. What is the goal of fish habitat restoration efforts and partnerships?. To create more/better fish habitat. To enhance/recover/restore fish populations. Evolution & Biodiversity. BIL 160. Fall 2019. N vs N. e. Census Population Size (N) . = # of adult (all) individuals (breeding or non-breeding) within a population. This # can be counted by observation.. Important in evaluating the health of ecosystem:. Is organism threatened or endangered….need protection? Wolves. Over-running habitat….. Should Population be thinned ? Deer. Count Individuals. Best for stationary organisms. Human variation: defined . Human variation refers to the fact that there are a range of possible values for each of the numerous physical characteristics of human beings.. People of the same species can have differing phenotypic traits that can be related to:. Focus points. Find the range, variance, and standard deviation.. Compute the coefficient of variation from raw data. . Explain why it is important.. Apply . Chebyshev’s. theorem to raw data. . Explain what a . Mississippi:. Genetics . vs . Nutrition. Steve Demarais. Regional . Antler Size Variation. @ 5+ Years. (Harvested Bucks). Delta. Loess. LCP. Coast. 20“. (Strickland and Demarais 2000). Regional Body.