which of these best describes the benefit of genetic variation within a species?
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genetic variation in species. It ensures some organisms can survive an environmental change. What is the BEST describes the benefit of variation within a species? It happens over a long period of time.
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Genetic variation is the difference in DNA among individuals. There are multiple sources of genetic variation, including mutation and genetic recombination.
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Summary. Unlike natural selection, genetic drift does not depend on an allele's beneficial or harmful effects. Instead, drift changes allele frequencies purely by chance, as random subsets of individuals (and the gametes of those individuals) are sampled to produce the next generation.
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Genetic variation refers to diversity in gene frequencies. Genetic variation can refer to differences between individuals or to differences between populations. Mutation is the ultimate source of genetic variation, but mechanisms such as sexual reproduction and genetic drift contribute to it as well.
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Genetic Variation and Evolution. Genetic variation is the substrate of evolution. Examining the genetic differences between individuals of the same species, as well as comparing the genomes of different species, can tell us a great deal about the relationships between organisms.
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Greater biodiversity in ecosystems, species, and individuals leads to greater stability. For example, species with high genetic diversity and many populations that are adapted to a wide variety of conditions are more likely to be able to weather disturbances, disease, and climate change.
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Most variation occurs within populations. Analysis of human genetic variation also confirms that humans share much of their genetic information with the rest of the natural world—an indication of the relatedness of all life by descent with modification from common ancestors.
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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.
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​Genetic Variation Genetic variation refers to diversity in gene frequencies. Genetic variation can refer to differences between individuals or to differences between populations. Mutation is the ultimate source of genetic variation, but mechanisms such as sexual reproduction and genetic drift contribute to it as well.
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Differences between members of the same species are called genetic variations. Species that reproduce sexually inherit one allele of each gene from...
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['A larger number of plant species means a greater variety of crops.', 'Greater species diversity ensures natural sustainability for all life forms.', 'Healthy ecosystems can better withstand and recover from a variety of disasters.']
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Advantages: Simple concept, most widely used particularly for plants. Disadvantages: Too much decisions on how much difference between individual is too much variation. Almost all populations are made up of non-identical individuals. Basis of whether two organisms can produce fertile offsprings.
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Genetic Diversity in Plants. Genetic diversity is of fundamental importance in the continuity of a species as it provides the necessary adaptation to the prevailing biotic and abiotic environmental conditions, and enables change in the genetic composition to cope with changes in the environment.
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According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.
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Genetic diversity. Genetic diversity is the total number of genetic characteristics in the genetic makeup of a species. It is distinguished from genetic variability, which describes the tendency of genetic characteristics to vary. Genetic diversity serves as a way for populations to adapt to changing environments.
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Answer and Explanation: The result of natural selection is usually an organism that is better suited to live in its environment because natural selection allows the heritable traits of the fittest individuals to be passed on to future generations. Natural selection also does not cause new traits to appear.
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What is genetic variation? Genetic variation is a term used to describe the variation in the DNA sequence in each of our genomes. Genetic variation is what makes us all unique, whether in terms of hair colour, skin colour or even the shape of our faces.