Down Syndrome Research Paper

Words: 597

Pages: 3

Open Document

Down Syndrome is a common disorder that occurs or caused when person has an extra copy of chromosome 21 in the nucleus of their cells (3 in total). It can also be caused when chromosomes fail to separate during meiosis. People with Down Syndrome would have some degree of mental retardation, a disability of people with below average IQ or mental ability. People with Down Syndrome have physical appearances like low muscle tone, small stature, and upward slanted eyes. About 1 out of every 700 babies in the United States is born with Down Syndrome, making it the most common genetic disorder. The Down’s Syndrome was discovered in the late nineteenth by John Langdon Down, an English Physician. Later on, in 1959, a French physician named Jerome Lejeune identified Down …show more content…
Trisomy 21 is the type of Down Syndrome that is usually caused by in meiosis called disjunction. Nondisjunction results in the extra copy of chromosome 21 when a pair of chromosome 21 in the sperm or egg fails to separate. As the unborn offspring develops, the extra chromosome is copied to every cell of its body. This type of Down Syndrome, trisomy 21, occurs 95% of Down Syndromes inheritances. Another type of Down Syndrome is mosaicism. Mosaicism takes place when there is a combination of two types of cells. One cell has the normal 46 chromosomes and the other have 47 chromosomes (contains the extra chromosome 21). This type of Down Syndrome is the least common type-it is about 1% of all Down Syndrome cases. Research indicates that people with this type of Down Syndrome have less characteristics of the disorder than other types. The last and final type of Down Syndrome is called translocation. In translocation, the chromosomes are the normal 46, but an additional chromosome 21 attaches to another chromosome, usually number 14. The appearance or presence of the chromosome gives the organism the characteristics of Down

Down Syndrome Research Paper

Down syndrome is one of the most common chromosomal abnormalities. It occurs in about 1 of every 830 children born in the United States. It is named after Dr John Langdon Down, who described the syndrome in 1866. Down syndrome is an aneuploid condition, hence why it is also commonly referred to as trisomy 21. It occurs as a result of a major error in human oocyte meiosis that causes a nondisjunction of homologous chromosome 21 at the first meiotic division and culminates in the oocyte having an…

Words 1057 - Pages 5

Down Syndrome Research Paper

mental and intellectual disability. Down Syndrome is the most common chromosomal condition in the United States. Down syndrome causes physical growth delays, characteristic facial features and mild to moderate intellectual disability; it is a mental disability that affect all aspects of not only someones life but also of those around them. The disorder makes it much more difficult for someone to learn how to do simple daily tasks. Life for people with Down syndrome was much more difficult and cruel…

Words 587 - Pages 3

Down Syndrome Research Paper

Period 3 December 18, 2009 Down Syndrome Down syndrome results from an irregular number of chromosomes and is present in about 1 in every 800 babies. More than 400,000 people living in the United States have Down syndrome. It can occur in people of all races and economic levels. Down syndrome is the most common genetic disorder. Down syndrome, also called trisomy 21, is a condition in which an individual has three copies of chromosome number 21. Down syndrome results from a defect called…

Words 1073 - Pages 5

Research Paper over Down Syndrome

Down Syndrome: Children and Their Development Throughout Education Katelyn Matlock Ouachita Baptist University Down Syndrome Children in Education Every day Connor would come in with a huge smile to greet me. His sweet voice in the morning made my job worth waking up groggy, and sleepy EVERY morning at 7:30. Connor was just like other 5 year old boys. He loves to play with cars, trains and trucks. Con-Man loves to eat Cocoa Puffs and watch Thomas the Train in the mornings. And Connor even…

Words 1592 - Pages 7

Mosaic Down Syndrome Research Paper

disabilities is down syndrome. This a common disability. People with down’s syndrome are still humans, like the rest of them, but take longer to develop. The…

Words 1632 - Pages 7

This is a paper about Down syndrome

This is a paper about Down syndrome. I will attempt to explain the definition of Down syndrome. I will tell how a child develops down syndrome as well as some of the characteristics of the disease. I will also explain the hereditary factors, as well the different types of down syndrome. I will also delve into how down syndrome is detected in children before they are born. Down syndrome is a genetic condition that causes delays in physical and mental growth. It occurs in 1 out of every 691 children…

Words 1477 - Pages 6

Rett Syndrome Essay

Rett Syndrome Abstract Rett syndrome is considered one of the autism spectrum disorders. Rett syndrome is a developmental disability disorder resulting in severe mental and physical deficits in female children. Rett syndrome is grouped as a pervasive developmental disorder (PDD) in which conditions are severe and pervasive, and that begin in early life and influence multiple areas of development. Rett syndrome, including the age of onset and the severity of symptoms, varies from child to…

Words 2983 - Pages 12

Burnout Syndrome Paper

Burnout Syndrome: Intervention and Prevention in the Human Service Field Brittany R. McIntyre Upper Iowa University Abstract Employee burnout is getting increased attention in the human service field. Burnout Syndrome is a prolonged response to exhaustion and stressors in the workplace. This syndrome can cause a person to feel exhausted and overworked, resulting in the employee feeling ineffective at his or her position. In this paper the dimensions of Burnout Syndrome will be covered, as well…

Words 5770 - Pages 24

Anthropology Research Paper

Research Paper Topic: Since the year 2002, considerable progress has been made in the area of human health and medicine. What three pieces of research, reported in the last ten years, that are based on or related to evolutionary theory or genetic studies and mechanisms in medicine, seem most important to you for their direct connection to you, your relatives, and your (future) descendants, and why? Begin by thinking about medical challenges that ‘run in your family,’ and therefore are likely to…

Words 1401 - Pages 6

Sudden Infant Death Syndrome - Research Paper

Abstract Sudden Infant Death Syndrome remains the leading cause of post-neonatal mortality (under the age of one) in developed countries. The causes of Sudden Infant Death Syndrome have been puzzling and research is being conducted to solve this catastrophic problem. Having a child under the age of one makes me very concerned, along with any other parent(s), that the possibility of SIDS could affect any infant at anytime, SIDS does not discriminate. I am seeking to find the possible causes…

Words 1866 - Pages 8