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Genetic change is desirable in order to have an abundance of diversity within a population. This makes the population less susceptible to disease and illness, making the population more resilient.
The number one cause of risk to genetic diversity in populations is the size of the population. The smaller the size in an area, the less diverse genetically the population is.
Genetic diversity would increase the survival of the rat population because they would be more capable as a species of surviving in different environments.
decreased its genetic diversity
decreased its genetic diversity
Genetic change is desirable in order to have an abundance of diversity within a population. This makes the population less susceptible to disease and illness, making the population more resilient.
Increase population genetic diversity beyond that possible with asexual reproduction. This makes the population more resistant to disease and parasites.
Lack of genetic diversity can becomes a problem when a species is hit with infectious diseases. If all the organisms are very similar, then it is very likely that they will all be affected by the same disease, thus destroying the species as a whole. In species with high amounts of genetic diversity, a disease may destroy a section of the population, but many individuals will be resistant to the disease.
Stabilizing selection results in less genetic diversity in a population.
genetic diversity
The number one cause of risk to genetic diversity in populations is the size of the population. The smaller the size in an area, the less diverse genetically the population is.
Genetic diversity would increase the survival of the rat population because they would be more capable as a species of surviving in different environments.
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decreased its genetic diversity
decreased its genetic diversity
different species in one population
The founder effect a genetic bottleneck are similar in their effect on the genetic diversity of a local population in both situations. They result in the development of a population from a small number individuals and is likely to have reduced genetic diversity.