“try to understand what it is to be human” Biocultural approach: the relationship between what humans have inherited genetically and what they learn culturally Holistic: understanding people with all aspects of human nature Comparative: cross cultural Ethnocentric: a view that is centered on a specific ethnic group (usually ones own) belief in the superiority in ones ethnic group Cultural Relativism: a view that considers human interaction and behavior within their own culture. Sex vs. gender
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Genes and Genetic Disorders PSY 104 October 29‚ 2011 Genes and Genetic Disorders When answering the question‚ “How does a child develop?” it is impossible to determine each individual influence that decides who a child becomes (Hamosh‚ Scott‚ Amberger‚ Bocchini‚ & McKusick‚ 2005). What can be determined are the most obvious influences‚ which are genetics‚ parenting‚ experiences‚ friends‚ and family relationships. These factors play the biggest roles in a child’s development‚ and can
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Compound Microscope Parts A high power or compound microscope achieves higher levels of magnification than a stereo or low power microscope. It is used to view smaller specimens such as cell structures which cannot be seen at lower levels of magnification. Essentially‚ a compound microscope consists of structural and optical components. However‚ within these two basic systems‚ there are some essential components that every microscopist should know and understand. These key microscope parts are illustrated
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somatic cells‚ or body cells‚ are divided. Let’s say the parent cell has four chromatids. These chromatid will replicate and form four chromosome pairs‚ a total of eight sister chromatids. In Prophase‚ these chromosomes will line up‚ head-to-toe. Spindle fibers will begin to form as well. The new spindle fibers will attach to the centromeres of the chromosomes in Metaphase. In Anaphase‚ the sister chromatids will be split apart and taken to opposite sides of the cell. The cell membrane will begin
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isochromosomal translocation. Deletion is when part of a chromosome is lost affects its length and genetic composition. Translocation is when there is a coinciding break in two chromosomes in different parts resulting in exchange. Balanced translocation is when two homologous chromosomes break and exchange the acentric fragment (a part of the chromosome that doesn’t have a centromere). Isochromosomal translocation occurs when one part of the chromosome is lost and another part is replicated. 2. Cite the
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parent cell (diploid)‚ which contains two copies of each chromosome. The cell then goes through DNA copying and two cycles of cell division‚ also known as Meiosis I and Meiosis II. When the cell goes through this cycle‚ it creates four haploid‚ which means they contain half of the number of chromosomes of the parent cell. Meiosis I begins with Prophase I. In Prophase I‚ the chromatin becomes smaller and creates chromosomes. The pair of chromosomes are known as sister chromatids that are joined together
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Wilson’s disease is a rare genetic disorder that prevents an individual from excreting excess copper from their body‚ eventually leading to toxic levels of copper. The chromosomes affected in this disorder are the pair of the thirteenth chromosomes‚ specifically the ATP7B gene which is located in the long arm of each chromosome thirteen and contains the DNA needed to make copper regulating proteins. A point or frame-shift DNA mutation occurs in the ATP7B during meiosis leaving the individual with
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will inherit 23 chromosomes from each parent (23 pairs overall). Out of these‚ 22 pairs of chromosomes will account for physical characteristics such as your height‚ hair colour‚ skin colour etc. Which means that 1 pair of chromosomes are responsible in your gender. In order to give birth to a male baby there must be a Y chromosome in the form of XY which is given by the sperm cell‚ it is in the absence of this chromosome that female babies are developed‚ producing an XX chromosome balance. In the
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cells produced during meiosis have half the chromosome number as the original cell. There are two cell divisions in meiosis‚ meiosis l and meiosis ll. These cell divisions produce 4 hapolid daughter cells. Haploid cells contain only one set of chromosomes‚ which is written as n. Meiosis consists of nine phases. In meiosis the interphase l the chromosomes replicate and the centrosome duplicates in one diploid cell. Diploid cells have two sets of chromosomes‚ they received one from each parent. During
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Cri Du Chat is a genetic disorder that is also known as chromosome deletion 5p syndrome and also monosomy 5p syndrome. When first discovered in 1963 it was recognized as a defective B group chromosome‚ and was then later recognized as the fifth chromosome‚ or 5p. Its name is French‚ and means “Cry of the Cat” referring to the distinctive cry of children with this disorder. This cry can help doctors make an informed guess as to whether the baby has the disease. Cri du chat is one of the most common
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