"Trisomy 21" Essays and Research Papers

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    Mental Retardation

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    SPED 2: Introduction to Special Education Mental Retardation(intellectual disability) Complex developmental disability It refers to substantial limitation in present functioning. It is characterized by significantly sub-average intellectual functioning‚ existing concurrently with related limitations in two or more of the following adaptive skills area. Substantial limitation in present functioning * Means that the person has difficulty in performing everyday activities. Significantly

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    What does normal look like? I ask the question in the attempt to focus on judging and what is normal. Everybody has their own perceptions of what is normal and they make judgments based off of these perceptions. Many of these perceptions can cause someone to be judgmental. Judging someone has gone far beyond the color of someone’s skin. People judge you on everything. Where you live‚ how you talk‚ dress‚ people you hang with and definitely how you look. My mother use to always tell me‚ “don’t

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    pregnancy is eight weeks along. 12 weeks? 16 weeks? 20 weeks? 25 weeks? 30 weeks? 34 weeks? 4. Suppose that Miss M learns‚ from prenatal diagnosis‚ that the baby would probably have Down Syndrome. 5. Suppose the baby would have Trisomy-13‚ which is lethal within the first year. 6. What are the reasons that Miss M should or should not consider adoption instead? 7. Would it be morally acceptable for her to contract with a couple willing to compensate her if she

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    Development of the Human Zygote November 16‚ 1995 Hundreds of thousands of times a year a single-celled zygote‚ smaller than a grain of sand‚ transforms into an amazingly complex network of cells‚ a newborn infant. Through cellular differentiation and growth‚ this process is completed with precision time and time again‚ but very rarely a mistake in the "blueprint" of growth and development does occur. Following is a description of how the pathways of this intricate web are followed and the

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    Mutations

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    Mutation may be defined as any change occurred in the DNA sequence‚ which changes the gene function regardless of the morphological or physiological results. It is permanent‚ hereditary and ruled by Mendel’s laws. Such chemical changes are constant and occur during the replication stage and they can be quickly fixed; however‚ a mutation may occur if not repaired. They can affect autosomal genes (dominant or recessive) or be linked to sex chromosomes. Mutation can result in several different types

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    Birth Defect Research Paper

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    Folate deficiency‚ for example‚ appears to play a role in various malformations of the neural tube‚ but the cumulative causes of such malformations and their relative contribution are rather complex. Neural tube defects have also been linked to trisomy 18‚ numerous mutations in the genes necessary for the development of the nervous system‚ and exposure to certain epilepsy drugs. Of the different forms of neural tube defects‚ a condition known as anencephaly is arguably the most severe. Anencephalic

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    characteristics. In Down syndrome a mistake during division of the sperm or egg cell produces a cell with an extra chromosome 21. This event occurs during cell division and is referred to as nondisjunction‚ or the failure of all chromosomes to separately properly resulting in retention of one of the chromosomes in one of the two new daughter cells. This is also called trisomy 21 and is accounted for 95% of all Down syndrome patients. A rare number of Down syndrome cases the original egg and sperm cells

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    Normal Level 2 Ultrasound

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    NORMAL LEVEL-TWO ULTRASOUND SCAN Ultrasound examination during should include a systematic evaluation of fetal anatomy. Apart from anencephaly‚ the fetal organs cannot be accurately measured before 17-18 weeks of gestation. After 30-35 weeks‚ evaluation becomes increasingly difficult. Hence level-two ultrasound scan is done at 18 to 20 weeks of gestation. CLASSIFICATION OF FETAL SONOGRAPHIC EXAMINATIONS 1. First-Trimester Ultrasound 2. Standard Second- or Third-Trimester Ultrasound

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    experience. Is this nature‚ nurture‚ or an interaction? Interaction Justify your answer: Chauncey is afraid of the pool because of an experience or interaction that he has had with water. Moriah Moriah was born with Down Syndrome (Trisomy-21). Is this nature‚ nurture‚ or an interaction? Nature Justify your answer: Down Syndrome is a condition related to chromosomes. Patrick and Erick Patrick and Erick are identical twins. They were separated at birth‚ but then were

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    Down Syndrome

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    DOWN SYNDROME Down Syndrome is a congenital disorder arising from a chromosome It comes from a defect involving chromosome 21. The condition leads to impairments in both cognitive ability and physical growth that range from mild to moderate developmental disabilities. Through a series of screenings and tests‚ Down syndrome can be detected before and after a baby is born.  The only factor known to affect the probability of having a baby with Down syndrome is maternal age. Less than one in 1‚000

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