This is text book example of the genetic fallacy.
No but the logic behind yours most definitely genetic fallacy,
My personal agenda has no bearing on whether if my arguments are good or not.
Oh yes it is! I have been watvhing you for along time, and your uses of references and argument is classically Intellignet design.
That's fine, but support your assertions, how did I missrrepresented any literature?
Done that in general and specific references, and no need to challenge your literacy any firther. Your selective use of selective phrases and references, (without accademic knowledge.) without considering the whole of genetic scientific reference.
You need to take a good college course on 'Population genetics.' Based on good science to provide a complete argument.. The following is a course outline. You can probably take it on line. Pay up and get educated.
Source:
Population Genetics | Boundless Biology.
Genetic Variation
Genetic variation is a measure of the variation that exists in the genetic makeup of individuals within population.
LEARNING OBJECTIVES
Assess the ways in which genetic variance affects the evolution of populations
KEY TAKEAWAYS
Key Points
Genetic variation is an important force in evolution as it allows natural selection to increase or decrease frequency of alleles already in the population.
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism’s offspring).
Genetic variation is advantageous to a population because it enables some individuals to adapt to the environment while maintaining the survival of the population.
Key Terms
genetic diversity: the level of biodiversity, refers to the total number of genetic characteristics in the genetic makeup of a species
crossing over: the exchange of genetic material between homologous chromosomes that results in recombinant chromosomes
phenotypic variation: variation (due to underlying heritable genetic variation); a fundamental prerequisite for evolution by natural selection
genetic variation: variation in alleles of genes that occurs both within and among populations
Genetic Variation
Genetic variation is a measure of the genetic differences that exist within a population. The genetic variation of an entire species is often called genetic diversity. Genetic variations are the differences in DNA segments or genes between individuals and each variation of a gene is called an allele.For example, a population with many different alleles at a single chromosome locus has a high amount of genetic variation. Genetic variation is essential for natural selection because natural selection can only increase or decrease frequency of alleles that already exist in the population.
Genetic variation is caused by:
mutation
random mating between organisms
random fertilization
crossing over (or recombination) between chromatids of homologous chromosomes during meiosis
The last three of these factors reshuffle alleles within a population, giving offspring combinations which differ from their parents and from others.
Evolution and Adaptation to the Environment
Variation allows some individuals within a population to adapt to the changing environment. 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. Other new alleles may be immediately detrimental (such as a malformed oxygen-carrying protein) and organisms carrying these new mutations will die out. Neutral alleles are neither selected for nor against and usually remain in the population. Genetic variation is advantageous because it enables some individuals and, therefore, a population, to survive despite a changing environment.
Geographic Variation
Some species display geographic variation as well as variation within a population. Geographic variation, or the distinctions in the genetic makeup of different populations, often occurs when populations are geographically separated by environmental barriers or when they are under selection pressures from a different environment. One example of geographic variation are clines: graded changes in a character down a geographic axis.
Sources of Genetic Variation
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. However, existing genes can be arranged in new ways from chromosomal crossing over and recombination in sexual reproduction. Overall, the main sources of genetic variation are the formation of new alleles, the altering of gene number or position, rapid reproduction, and sexual reproduction.
Genetic Drift
Genetic drift is the change in allele frequencies of a population due to random chance events, such as natural disasters.
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