Mechanisms of Evolution

Scientific theories of evolution seek to explain the mechanisms of the observable fact of biological evolution. Scientists observing biolo...

Charles Darwin accurately predicted that his theories would evoke skepticism from scientists and ridicule from the religious. Happily, scien...

Examination of the fossil record (aside from natural incompleteness) reveals a patchiness not predicted by “ phyletic gradualism ”, as desc...

The Modern Synthesis of Evolution combines understanding of Population Genetics and Molecular Genetics : genetic drift , gene flow , mutat...

There are two basic types of mechanism involved in biological evolution. First are the genetic sources of alleles – altered genes at a locu...

A variety of speciation situations are postulated: Allopatric speciation occurs when a geographical barrier sub-divides a parent species, r...

Only a small fraction of all possible gene combinations that could be produced by a population will be transmitted to the next generation. ...

Gene flow refers to the movement of genes from the gene pool of one population into that of another. The rate of entry of non-native genes i...