DNA Technology: Biotechnology 1) Selective breeding a. 2) Genetic engineering – humans tinker with organisms genes a. Cloning –take haploid cel and replace with a diploid nucleus (comes from organism whos traits you want to duplicate. b. Recombinant DNA – DNA from 2 or more sources. Done by Euk cells during Meiosis. Always from same molecule. 3) Biologists first started doing recombinant DNA from a prok cell and combined it with another prok cell because it was easier. 4) DNA from a
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Homosexuality Is Not A Chosen Path Marsha Grant COM/1156 March 5‚ 2011 Kim Elliot-White Homosexuality Is Not a Chosen Path Homosexuality is the result of genetics and brain formation and is not a choice or effect of human nurturing. The debate of this topic has occurred for many years in many cultures. Brain formation as early as fetal growth in utero determines sexuality in proven studies. Genetic research shows that homosexuality linked through specific chromosome makeup. Some of
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premise of ENA’s is biological in nature and that a person can be born with criminal tendencies (Nature perspective). Evolutionary neuroandrogenic theory envisions criminality as being a low form of status-striving promoted by high brain exposure to androgens and it implies that these two points are actually correlated. According to ENA theory‚ traits such as pain tolerance and muscularity will be positively associated with risk-taking and criminality. Some studies have correlations between pain tolerances
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There are many healthy children who are born daily. Unfortunately‚ there are also some children who are born with disorders‚ such as Congenital Adrenal Hyperplasia (CAH) or Androgen Insensitivity Syndrome (AIS). CAH is a disorder when a child has the inability to produce cortisol and aldosterone‚ overproduction of testosterone‚ and possibly end up having both genitals (male and female). AIS is when a person develops female physical traits‚ but instead of developing a uterus they develop testes. A
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social‚ they will always exist. The biological argument is that we might inherit our differences depending on our parents. There was an experiment done where they measure aggression between nonhuman animals. The result was that females injected with androgen at about the time the sexual organs develop behave more aggressively when they are older than do females without hormones. This experiment is supported by research done on human females who were “androgenized” in the womb because of drugs given to
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The endocrine system is very dynamic and has ties to most‚ if not all of the other major systems of the body. It is responsible for production of hormones and the regulation of them as well. These hormones act as chemical messengers within the body. Through several differing mechanisms‚ they are able to trigger very specific responses in target cells or organs. This is what enables the endocrine system to guide growth‚ development‚ reproduction‚ and behavior‚ among many others as well.
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Introduction to Psychology Study Guide #3 Chapter 10: Intelligence: Adaptive Mind versus Psychometric Views Mental Tests‚ Galton‚ Factor Analysis‚ g and s factors in intelligence‚ factor analysis Catell and Horn: Fluid and crystallized intelligence Multiple intelligences (Gardner) Sternburg’s triarchic theory: Analytic‚ Creative‚ and Practical Intelligence Achievement tests & aptitude tests Validity‚ reliability‚ standardization (Content validity‚ construct validity‚ predictive
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spinal cord and brain (Eckersell‚ Popper‚ & Micevych‚ 1998; Flores‚ Shughrue‚ Petersen‚ & Mokha‚ 2003)‚ indicating an even more direct effect of estrogen on opioid generation locally. In some species‚ aromatase has been found in dorsal horn cells; androgens‚ which are converted by aromatase to estrogens‚ could provide a source of estrogen in the spinal cord (Evrard et al.‚ 2000). Given the possible effects of estrogen on nociceptive input‚ evidence has shown that estrogen may be a contributing factor
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Pituitary Anterior – Located in the base of the brain attached to the hypothalamus. Growth Hormone(GH) – Stimulates an increase in size and rate of division of body cells; enhances movement of amino acids through membranes; promotes growth of long bones. Prolactin (PRL) – Sustains milk production after birth; amplifies effect of LH in males. Thyroid-stimulating Hormone (TSH) – Controls secretion of hormones from the thyroid gland. Adrenocorticotropic Hormone (ACTH) – Controls secretion of certain
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The Sperm and the Egg Tarnisha S. Hagens PSY/265 April 15‚ 2012 UOPX/Axia College The Sperm and the Egg The movement of the sperm known as semen comes from the testicles also known as the testis in the endocrine gland. Adult males build up at least 100 million sperm cells each day. The sperm cells known as semen would slowly move into the epididymis because this is where the semen would go through maturation. Before the semen became to be known it was called the spermatogenesis which differentiates
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