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By treating genetic disorders, natural selection is interrupted -- these individuals do not die as they naturally would have, and so their genetic disadvantage no longer selects against them. iT could be argued, however, that humans have stopped evolving as biological creatures anyway; technology has provided the "cure" to many issues of natural selection, both from the species end of things and from the supply side (i.e. In making more resources more available to more people). Therefore, it is not really detrimental to the species as a whole to save the individuals with lethal alleles. Since we are no longer really evolving, and the prevalence of most lethal alleles is incredibly low anyway, the species as a whole is not made less healthy by the presence of these individuals or their alleles, despite the increased chance they have at procreating. The only real issue that could conceivably arise from this requires a serious "what if" scenario. It is possible that at some point in the future of human civilization all medical and technological knowledge will be lost. If that occurs after many generations of caring for those with genetic disorders in ways that allow them to procreate (and that are not gene therapies that effectively remove the alleles from circulation), there is a possibility that enough genetic load will exist to affect the species stability. Again, though, given how rare such alleles are it is unlikely that this would ever get to be a problem.
The term mosaic evolution is used to describe the different features of an organism evolve at different rates. The efficient bipedal movement is a peculiarity that appeared very early and perhaps is the single most significant development in the emergence of man. Since this information is available from New Haven Teachers Institute, Yale, the information is accurate and reliable. Article-3. Skybreak, Ardea. Part 6D: The Two Biggest Leaps in Hominid
Crime Understanding why crime occurs requires an appreciation for the complexity of human behavior. Behavior is not determined by one factor, but rather influenced by a host of interrelated factors. Modern biological theories in criminology differ from previous theories in that they examine the entire range of biological characteristics, including those that result from genetic defects (those that are inherited) and those that are environmentally induced. In addition, theories developed since
Genetic Engineering Genetically Modified Food Genetic engineering is one of the breakthroughs in the agricultural sector introduced in the last four decades. Traditionally, agricultural production relied on natural methods such as crossbreeding to achieve the desired plant species. Such methods were associated with disadvantages such as its slow nature and inability to produce the desired plant traits in the desired period. However, the introduction of genetic modification led to the elimination of
Till the period up to 11,000 BC every individuals remained Stone Age hunters/gatherers. Nearly that time, the roads of growth of human societies on various continents started to move away in a large scale. (Guns, Germs, and Steel- the Fates of Human Societies: (www.2think.org) During that period, when Stone Age hunter-gatherers comprised the total human population, a big segregation happened in the proportion that the human societies progressed. In
Darwin's Theory Of Evolution The construct of irreducible complexity is a pivotal aspect of genetic theory and of Darwinian theory. Irreducible complexity is a nexus of the older science of biology from which Darwin built his theory and modern genetic engineering. Darwin's words for irreducible complexity, most commonly associated with his argument about the construction of the eye, were "Organs of extreme perfection and complication," and Darwin further explicates, "Reason tells me,
Portfolio Management In the project portfolio management context, a portfolio is an aggregation of active programs, projects and other business activities that indicate an organization's priorities, investments and allocation of resource (The standard for portfolio management, 2008). According to the editors of PM Network, "Portfolio management is the centralized management of one or more of those portfolios to achieve specific strategic business objectives" (2008, p. 75). Using project portfolio management