Genetic diversity

Cards (11)

What is natural selection?
The reproductive success of a species chance of surviving. Creating a large gene pool and high allele frequency. Increasing genetic diversity and continues the thriving of a species.
What is genetic diversity? 
The number of individual alleles in a population
What is a population? 
A group of individuals of the same species, living in the same space and can interbreed.
What is ecological fitness?
The greater the diversity, the higher the chance a species will survive against environmental change
Who contributed to evolutional theories?
Darwin, Lemarck and Wallace
How can diversity increase?
Through mutations or migration
What is gene flow?
The increase of diversity through migration
What is genetic bottleneck?
Dramatic reduce in a species population. Done through disease, predators or soil pH change. By decreasing the population, the gene pool decrease and so does reproductive success. The population continues to reproduce.
What is an example of a genetic bottleneck species?
Bison - come from 12 individuals
What is the founder affect?
An individual with a rare allele moves to a new colony and reproduces. Making the once rare allele common. Gene pool is still reduced due to only 1 allele becoming common.
What is an example of a founder effect population?
The Amish in Switzerland.