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Harmful mutations may cause genetic disorders or cancer. A genetic disorder is a disease caused by a mutation in one or a few genes. A human example is cystic fibrosis. A mutation in a single gene causes the body to produce thick, sticky mucus that clogs the lungs and blocks ducts in digestive organs.
Mutations arise spontaneously at low frequency owing to the chemical instability of purine and pyrimidine bases and to errors during DNA replication. Natural exposure of an organism to certain environmental factors, such as ultraviolet light and chemical carcinogens (e.g., aflatoxin B1), also can cause mutations.
only a small percentage of mutations cause genetic disorders—most have no impact on health or development. For example, some mutations alter a gene's DNA sequence but do not change the function of the protein made by the gene.
Leo Kanner differentiated infantile autism from childhood disorders. <span>Kanner expressed a great deal of concern about the usual mistreatment of </span>mentally disabled<span> children. He expressed concern about a society that causes the intellectual haves to look down on the intellectual have-nots.</span>
<span>Yes two components of your environment that can affect your wellness are peer influence and role models. This is true because for example at school one's peers may all be into smoking and so in order to hang out with them and be 'cool' smoking may be adopted and this can cause lung cancer. With education on the link between lung cancer and smoking then now this is probably much less true. If a role model is like a father who is hard working and responsible and knows the difference between right and wrong, then the son or daughter will most likely follow suit and lead a healthy life but if the father say is an alcoholic and not resolving problems then the children will most likely do the same. </span>
yes even though it is hard for me for people around to sometimes be nice to black people and happy martin lurther king jr.
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Personal or self-boundaries are extremely individual. We all determine our physical, emotional, and mental limits and use them to protect ourselves in both our personal and professional lives. Personal boundaries are developed to protect ourselves from being manipulated or used by others. Each individuals personal boundaries help identify him or her as a particular individual with certain thoughts and feelings that separate them from others. Self-boundaries help us to be identified as a unique individual. We must recognize our individual self-boundaries and appreciate their presence in others in order to develop healthy relationships in both our personal and professional lives.
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