Microbial Evolution Study Materials

University:
College
Course:
College Biology
Academic year:

2023
Views:

61

Pages:

1
Author:

Sergio P.

Microbial Evolution Microbial evolution is the study of how microorganisms change over time. Genetic Variation, hatural seloction, and adaption are the core components of microbial evolution. In this lecture, we will cover the basic principles of these three components and how they shape the evolution of microorganisms. Genetic Variation is the basis for evolution. Genetic varication can occur through mutations. genetic recombination, and horizontal gime transfer. Mutations are changes in the DNA sequence that can result in now traits. Natural Selection is the process by which certain traits become more or less common in 9 population over time. Natural selection occus when certain traits provide an advantage in survival and reproduction. The three types of natural selection are directional selection, stabilizing selections, and disruptive selection. Adaption is the process by which a population becomes better suited to its environment through natural selection. Adaption can occur through the selection of new traits, the modification of existing traits, or the loss of traits that are no longer beneficial.