Down Syndrome Report by: SCHOOL SUX The chromosomal abnormality involved in most cases of Down syndrome is trisomy-21‚ or the presence of three copies of the 21st chromosome. As a result‚ the affected person has 47 chromosomes in all body cells instead of the normal 46‚ although how this causes the condition’s symptoms is not yet known. Scientists assume that the reason for the abnormal chromosomal assortment is the fertilization of an ovum having 24 chromosomes by a sperm with a normal assortment
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How Genetics Influence Down Syndrome Julia Henry PSY 104 Professor Vincent July 7‚ 2013 How Genetics Influence Down Syndrome Genetics play such an vital role in our development. Every individual carries genes from their mother and their father. Characteristics such as height‚ eye color‚ if we have curly or straight hair are all determined through the our genes and specifically our chromosomes. Many times‚ parents inadvertently pass genes on to their children through their DNA that may contribute
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Down Syndrome Although many theories have been developed‚ it is not known what actually causes Down syndrome. Some professionals believe that hormonal abnormalities‚ X-rays‚ viral infections‚ immunologic problems‚ or genetic predisposition may be the cause of the improper cell division resulting in Down syndrome. It has been known for some time that the risk of having a child with Down syndrome increases with advancing age of the mother; i.e.‚ the older the mother‚ the greater the possibility
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Specific Strategies for Gross Motor Assessment There are several reasons for assessing the gross motor competence of young children. The identification of a discrepancy between age-expected performance and actual performance is the first step in determining whether intervention is necessary and is imperative if services are sought under early intervention and preschool legislation. However‚ the assessment should do more than merely identify disparity. It should provide
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Super Duper® Handy Handouts!™ Number 116 What is Down Syndrome? by Becky L. Spivey‚ M.Ed. What is Down syndrome? Down syndrome is a congenital disorder stemming from a chromosomal abnormality appearing in one of every 800 births. It is the most common genetic disorder affecting more than 5‚000 babies born in the United States each year. This syndrome occurs when one chromosome has an extra “part‚” an error occurs in cell division‚ or an extra chromosome exists resulting in 47 chromosomes. Most
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Down Syndrome is a chromosomal condition related to chromosome 21. It affects 1 in 800 to 1 in 1000 born infants. People who have Down Syndrome have learning difficulties‚ mental retardation‚ a different facial appearance‚ and poor muscle tone (hypotonia) in infancy. Individuals with Down Syndrome also have an increased risk for having heart defects‚ digestive problems such as “gastroesophageal reflux or celiac disease”‚ and hearing loss. Some people who have Down Syndrome have “low activity of
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932-4350 Fax (732) 932-4360 www.nieer.org Preschool Assessment: A Guide to Developing a Balanced Approach by Ann S. Epstein‚ Lawrence J. Schweinhart‚ Andrea DeBruin-Parecki and Kenneth B. Robin Child assessment is a vital and growing component of high-quality early childhood programs. Not only is it an important tool in understanding and supporting young children’s development‚ it is essential to document and evaluate program effectiveness. For assessment to be widely used though‚ it must employ methods
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What a Diagnosis of Down Syndrome Means Today Down syndrome is a condition affecting many Americans and individuals across the world. It presents challenges socially‚ academically‚ and behaviorally. However‚ a diagnosis today is not nearly as detrimental to the person’s quality of life as it was decades ago. Strides have been made in Down syndrome awareness‚ education and overall acceptance. Screening is now available so that parents know in advance if they are going to have a child born with
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Down Syndrome Down Syndrome is a chromosomal disorder. It occurs in about 1 of every 800 births. People with Down syndrome may have mild to severe learning disabilities. Physical symptoms include a small skull‚ extra folds of skin under the eyes‚ and a protruding tongue. People with Down syndrome are subject to a variety of medical problems including heart abnormalities and thyroid gland dysfunction. Survival rates have been increased dramatically in recent years as problems specific to Down syndrome
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Down Syndrome (DS) is a chromosomal disease affecting tens of thousands of individuals. DS is responsible for a wide range of health disorders‚ including‚ but not limited to‚ congenital heart disease‚ cancers‚ Alzheimer’s‚ and other phenotypic abnormalities (Asim et al.‚ 2015). Given its relatively high prevalence (1 in 900 births) in some locations‚ the impact of DS is high (Shin et al.‚ 2009). Trisomy 21‚ Mosaic Down Syndrome‚ and Translocation Down Syndrome are three instances of abnormalities
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