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What tends to increase genetic variation in a population?

Genetic variation is the total amount of genetic diversity present within a species or population. The amount of genetic variation in a population will depend on a variety of factors, including the size of the population, the type of reproduction, and environmental influences. The primary way to increase genetic variation in a population is through mutation. Mutations are random changes in the genetic code that can lead to new traits or characteristics. Mutations can be caused by environmental factors, such as exposure to radiation or chemicals, or they can occur spontaneously. Mutations can be beneficial, neutral, or detrimental to the organism, but they do lead to increased genetic variation. Another way to increase genetic variation in a population is through migration. When individuals from different populations mate, they bring with them different alleles from their home population, increasing the genetic diversity of the new population. This is especially important for populations that are geographically isolated, such as island populations. Another factor that can increase genetic variation is sexual selection. This is the process by which individuals select mates based on certain desired traits. This can lead to an increase in the number of different alleles in the population, as individuals with certain traits will be more likely to reproduce. Finally, gene flow is a process that can increase genetic variation in a population. Gene flow is when individuals from one population move to another population and mate with individuals in the new population. This can bring in alleles from the original population, increasing the genetic diversity of the new population. Overall, while mutation, migration, sexual selection, and gene flow are all important factors in increasing genetic variation in a population, it is important to note that genetic variation can also be decreased by inbreeding and genetic drift. Inbreeding is when individuals mate with close relatives, reducing the number of alleles in the population and leading to decreased genetic variation. Genetic drift is when random fluctuations in allele frequencies occur due to a small population size, leading to decreased genetic variation. Therefore, it is important to consider all of these factors when trying to increase genetic variation in a population.


What typeof organisms can increase genetic variation through reproduction?

both plants and animals


Why genetic variation is a benefit to a population?

Genetic variation allows a population to adapt to a changing environment.


What can evolution be understood as a two-stage process that includes?

Evolution can be understood as a two-stage process that includes genetic variation within a population and natural selection acting on that variation. Genetic variation arises through mutations and genetic recombination, while natural selection favors individuals with traits that increase their chances of survival and reproduction in a particular environment. Over time, these processes can lead to the accumulation of favorable traits in a population, resulting in evolutionary change.


Which is responsible for most genotypic and phenotypic variation among humans 1 meiosis 2 budding 3 mitosis or 4 regeneration?

Budding , mitosis and regeneration have no link with genetic variation.All variations in human being and other organisms are produced by MEIOSIS. During meiosis following important processes take place which include 1; crossing over in Prophase I ; Independent assortment of chromosomes and genes during Metaphase I , both of them result in reshufling of genes which is base of variation. Another source of variation is MUTATION.


Does the graph of an inverse variation pass through the origin?

Inverse variation does not pass through the origin, however direct variation always passes through the origin.


A change in allele frequencies due to migration?

Migration can lead to changes in allele frequencies by introducing new alleles into a population. When individuals move between populations, they bring their genetic material with them, potentially altering the genetic diversity of the receiving population. Gene flow through migration can increase genetic variation within a population or decrease differences between populations.


Which would likely decrease the genetic variation in the human population?

If the human population was reduced to a very small number of interbreeding individual then this small population, denied outbreeding, would have very little genetic variation. Humans, who went through a bottleneck event about 70,000 years ago, are considered a " small " species because they have little genetic variation in comparison to many other species. Google cheetah to see how this concept works.


What are the features of evolution?

Key features of evolution include genetic variation, natural selection, adaptation, and speciation. Genetic variation arises from mutations and genetic recombination, leading to differences among individuals within a population. Natural selection acts on this variation, favoring traits that increase an organism's chances of survival and reproduction. Over time, this can lead to the adaptation of populations to their environments and, in some cases, the formation of new species through speciation.


How does variation hurt an organism?

Actually variation helps, because it increases diversity within the population increasing chances of survival of the population in the cases of environmental disaster, disease, etc. Some individual organisms in the population die and some live, more diversity the more likely some will live through whatever may happen.


How does bacteria increase genetic variation?

Bacteria increase genetic variation through mechanisms such as mutation, horizontal gene transfer, and genetic recombination. Mutations can introduce new genetic variations, while horizontal gene transfer allows bacteria to exchange genetic material with other bacteria and acquire new genes. Genetic recombination, through processes like conjugation and transformation, also contributes to genetic diversity in bacteria.


What are three ways to get genetic variation?

Independent assortment of chromosomes, crossing over and Random fetiliztion