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When genetic variation increases within a population what will most likely decrease?
When genetic variation increases within a population, the likelihood of inbreeding depression typically decreases. This is because a greater diversity of alleles allows for a more robust gene pool, reducing the chances of harmful recessive traits being expressed. Additionally, increased genetic variation often enhances a population's adaptability and resilience to environmental changes.
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.
Why is genetic variation important to living things?
For one, without genetic variation, a species is more likely to face significant danger from disease. In humans there are some diseases that affect a few races more than others, but because of genetic variations, our species as a whole is more likely to adapt to new diseases and survive rather than if everybody had the same predisposition toward a disease.
Which would most 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.
Which of the following would be most likely to decrease genetic variability. A bottleneck B B genetic drift C mutation D random mating?
A bottleneck event would decrease your population to a very small number and, consequently, your gene pool would contract, some alleles would be lost and genetic variability would decrease. Google Cheetahs.
What would most likely decrease the genetic variations in the human population?
Which would most likely decrease the genetic variation in the human population?
Discuss the causes of variation Living organisms?
Causes of variation is random mutation. Random mutations constantly occur in the genomes of organisms; these mutations create genetic variation. If all living things were same, we will all use up one type of food as our nutrient source and eventually we will run out of food to consume.. making less likely for us to survive..
What are populations with low genetic variation less likely to do?
I don't f*****g know
How does variation in a species help the species survive?
As each new generation is produced, genetic variation may be introduced into a population. The more genetic variation in a population, the more likely it is that some individuals might have traits that will be advantageous if the environment changes.
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.
Would a population with a lot of genetic variation or little genetic variation be more likely to have individuals that can adapt to a changing enviorment Explain?
A population with a lot of genetic variation is more likely to have individuals that can adapt to a changing environment. This diversity provides a broader range of traits, increasing the likelihood that some individuals will possess characteristics suited to the new conditions. In contrast, a population with little genetic variation may lack the necessary traits to survive and thrive in the face of environmental changes, making it less resilient overall.
Which environmental factor would likely lead to an increase in genetic variation in population of squirrels?
fukk e2020
Genetic variation among the gametes of one individual is most likely to increase if crossing over?
Genetic variation among the gametes of one individual is most likely to increase if crossing over occurs during meiosis. This process involves the exchange of genetic material between homologous chromosomes, leading to new combinations of alleles. As a result, the gametes produced will carry unique genetic profiles, enhancing diversity in the offspring. Thus, crossing over is a crucial mechanism for increasing genetic variation.
What would be the result if crossing over didnt happen during meiosisin humans?
There would be less genetic variation in humans
How common is genetic variation in nature?
Genetic variation is common in nature and plays a crucial role in biological diversity and adaptation. It arises from mutations, genetic recombination, and other processes, providing the raw material for evolution by natural selection. Populations with high genetic variation are more likely to survive changes in their environment.
Which of the following organisms likely evolved by natural selection?
Dolphins.
How does evolution explain the diversity of organisms?
Evolution explains diversity through the process of natural selection, genetic variation, and adaptation to different environments. Organisms with traits that provide a survival advantage are more likely to reproduce and pass on those favorable traits to their offspring, leading to the diversification of species over time.
