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Explanation: The answer is population 3 because it has the most genetic variation. A
population of individuals is more likely to survive than a population of individuals with similar genetic makeup.Genetic variation is advantageous because it enables some individuals and, therefore, a population, to survive despite a changing environment.Genetic variations that alter gene activity or protein function can introduce different traits in an organism. If a trait is advantageous and helps the individual survive and reproduce, the genetic variation is more likely to be passed to the next generation (a process known as natural selection).
Does genetic variation help an individual survive?
Genetic variation is advantageous because it enables some individuals and, therefore, a population, to survive despite a changing environment.
Does genetic variation tend to increase or decrease a species odds of survival?
Genetic variations that alter gene activity or protein function can introduce different traits in an organism. If a trait is advantageous and helps the individual survive and reproduce, the genetic variation is more likely to be passed to the next generation (a process known as natural selection).
Variation | Genetics | Biology | FuseSchool
Images related to the topicVariation | Genetics | Biology | FuseSchool
How do variations affect the survival and reproduction of individual organisms?
Some variations make an individual better suited to survive and reproduce in their environment. If this continues over generations, these favorable adaptations (the heritable features that aid survival and reproduction) will become more and more common in the population.
How does genetic variation affect the ability of a population to survive?
Because natural selection acts directly only on phenotypes, more genetic variation within a population usually enables more phenotypic variation. Some new alleles increase an organism’s ability to survive and reproduce, which then ensures the survival of the allele in the population.
Why is genetic variation important to the survival of a species?
Genetic diversity is important because it gives species a better chance of survival. However, genetic diversity can be lost when populations get smaller and isolated, which decreases a species’ ability to adapt and survive.
Why is genetic variation important in a population?
Genetic variation in a group of organisms enables some organisms to survive better than others in the environment in which they live. Organisms of even a small population can differ strikingly in terms of how well suited they are for life in a certain environment.
What increases genetic variation?
Genetic variation is increased by meiosis
Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase I.
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The Genetic Variation in a Population Is Caused by Multiple …
Genetic variation describes naturally occurring genetic differences among individuals of the same species. This variation permits flexibility and survival …
How are gene variants involved in evolution? – MedlinePlus
Genetic variations that alter gene activity or protein function can introduce different traits in an organism. If a trait is advantageous and …
Genetic Variation | National Geographic Society
Genetic variation is the presence of differences in sequences of genes between individual organisms of a species.
19.2A: Genetic Variation – Biology LibreTexts
Genetic variation is advantageous because it enables some individuals and, therefore, a population, to survive despite a changing environment. Figure 19.2A.
What increases and decreases genetic diversity?
Mutation, recombination, and gene flow all act to increase the amount of variation in the genotypes of a given population. There are also forces at work that act to decrease this variability.
How diversity of species increases the probability of adaptation and survival of organisms in a changing environment?
Increased genetic diversity leads to increased chance of species survival. Species with a limited variety of phenotypes and where all members of the species are similar to one another have a smaller chance of coping with environmental variability compared to a species with greater diversity.
Genetic Variation and Mutation | 9-1 GCSE Science Biology | OCR, AQA, Edexcel
Images related to the topicGenetic Variation and Mutation | 9-1 GCSE Science Biology | OCR, AQA, Edexcel
What is an example of genetic variation?
Genetic variation results in different forms, or alleles?, of genes. For example, if we look at eye colour, people with blue eyes have one allele of the gene for eye colour, whereas people with brown eyes will have a different allele of the gene.
Why is variation so important?
Variations can be defined as the variations in DNA sequences. It makes one organism different from the other organism. Variations are essential for natural selection. Variations in a species of an organism helps to adapt in the environment, it also prevents the extinction of a species.
Why is genetic variation important in meiosis?
Meiosis and fertilization create genetic variation by making new combinations of gene variants (alleles). In some cases, these new combinations may make an organism more or less fit (able to survive and reproduce), thus providing the raw material for natural selection.
How is the amount of variations increase among the individuals of each of the population?
Answer. Answer: Gene duplication, mutation, or other processes can produce new genes and alleles and increase genetic variation. New genetic variation can be created within generations in a population, so a population with rapid reproduction rates will probably have high genetic variation.
Why is genetic variation important to the process of evolution?
Genetic variation is an important force in evolution as it allows natural selection to increase or decrease frequency of alleles already in the population.
Which is more likely to result in an increase of variation among organisms?
To get diversity in individuals, genetic differences are required, and different phenotypes must be expressed. Since sexual reproduction is more conducive to driving evolution than asexual reproduction, much more genetic diversity is available for natural selection to work on.
How does genetic diversity affect a population’s chances of survival quizlet?
How does genetic diversity affect a popukation’s chances of survival? More genetic diversity = better chance of adapting to environmental change or disease. Little genetic diversity = population will be vulnerable to changes or disease and could produce weak offspring.
What are the benefits of genetic diversity?
Genetic diversity is important because it helps maintain the health of a population, by including alleles that may be valuable in resisting diseases, pests and other stresses. Maintaining diversity gives the population a buffer against change, providing the flexibility to adapt.
Sources of genetic variation | Inheritance and variation | High school biology | Khan Academy
Images related to the topicSources of genetic variation | Inheritance and variation | High school biology | Khan Academy
How will this genetic diversity affect their long term survival?
Genetic diversity generally underpins population resilience and persistence. Reductions in population size and absence of gene flow can lead to reductions in genetic diversity, reproductive fitness, and a limited ability to adapt to environmental change increasing the risk of extinction.
What is loss of genetic variation?
Loss of genetic diversity increases the risk of extinction of a population through inbreeding depression. In addition, the number of deleterious genetic variations, which might accumulate in a small population through genetic drift, can also make the population vulnerable.
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