'Tristan da cunha' diaporamas de présentation

How Populations Evolve

How Populations Evolve. Population Genetics. turning point for evolutionary theory emphasizes extensive genetic variation within populations recognizes importance of quantitative characters reconciled Darwinism and Mendelism. neo-Darwinism. Integrates ideas from many different fields

1.1k views • 66 slides

World Englishes and the Multilingual Turn

454 views • 43 slides

Genetic Drift, Bottleneck Effect and Founder Effect

Genetic Drift, Bottleneck Effect and Founder Effect. 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.

905 views • 10 slides

Genetic Drift

Genetic Drift. By: Kaitlyn , Pearl, Ellie, Alicia. Genetic Drift. Chance events that cause allele frequencies to fluctuate unpredictably from one generation to the next, especially in small populations. The Founder Effect.

265 views • 7 slides