Genetics Down Syndrome is a chromosomal condition related to chromosome It affects 1 in to 1 in born infants. People who have Down Syndrome have learning difficulties, mental retardation, a different facial appearance, and poor muscle tone hypotonia in infancy. Trisomy 21 means that each cell in the body has three copies of chromosome 21 instead of the usual two copies.
Media Peer Partner Final Project Down syndrome is a chromosomal condition in which an individual possesses extra genetic material, specifically an extra complete or partial duplicate of chromosome 21 in Down syndrome essay paper or all of an individuals cells.
This results in several hallmark characteristics and acute cognitive affects. Some of the physical traits associated with the syndrome are a small body, especially head and ears, hypotonia, hands that are broad and short, epicanthal folds, abnormalities of the ear, and nasal bridges that are flat in shape.
These are just some of the physical characteristics commonly seen in the chromosomal condition, but the actual presentation of physical characteristics is highly individualized.
There is a slightly higher incidence of Down Syndrome in boys than girls.
Infants are often diagnosed at birth by the occurrence of physical characteristics, but the actual expression of Down Syndrome varies considerably, and the diagnosis may be delayed if too Down syndrome essay paper importance is put on only the typical physical characteristics.
The first physical characteristic of the chromosomal condition that is noticeable is often the presentation of hypotonia, the prescence of which should inspire concern and spur subsequent and swift assessment. Down Syndrome is, in most cases, not an inherited condition.
Down Syndrome may be caused by Trisomy 21, which refers to the condition of having a an extra copy of chromosone 21, meaning three copies, instead of two, in each cell.
Likewise, Mosaic Down Syndrome is not an inherited condition. It happens in the early development stages of a fetus as a random occurrence in cell division, resulting in some cells having the normal duo of chromosome 21 copies, while some cells have three copies.
In the third case, Translocation Down Syndrome, the condition may be inherited. The carriers of this balanced translocation do not display signs of Down Syndrome, but they have a higher risk of giving birth to children with the chromosomal condition.
Despite these impairments many individuals are characterized as being generally pleasant, affectionate and happy people. In respect to their receptive language, children diagnosed with Down Syndrome often have language comprehension that is about the same as their mental age. Note, that this is often different from their chronological age.
As a general rule, their aptitude for language comprehension is greater than their aptitude for expressive language, specifically speech. It is important to note that these children frequently exhibit comparatively good development of language in their infancy and toddler stages, this is particularly true when the children are enrolled in early-intervention After this period of time, however, in the first school years the rate of language development noticeably slows down.
In terms of general diagnostic testing, it is recommended by The American Academy of Pediatrics and the Down Syndrome Medical Interest Group that babies diagnosed with Down Syndrome should have audiologic testing directly after the are born and then again every six months until the child is three, or until they can sit for an audiogram with ear specific testing.
After this point, there should be an annual hearing test, and even if there is only a mild hearing loss, hearing aids should be considered. The tests should change with their development. Newborns who have been diagnosed with the syndrome receive the mandatory hearing screening and receive objective tests like otoacoustic emissions or auditory brainstem response like other babies.
Those who fail the screening should be tested with visual reinforcement audiometry at the devlopmental age not chronological age of ten months and conditional play audiometry when they reach the developmental age of two years.
Buy Down syndrome essay paper online Introduction This is an essay on Down syndrome, also known as trisomy 21 which is an abnormality of chromosome 21 that causes mental retardation, short stature, microcephaly, and characteristic facies. DOWN SYNDROME Down Syndrome is a congenital disorder arising from a chromosome It comes from a defect involving chromosome The condition leads to impairments in both cognitive ability and physical growth that range from mild to moderate developmental disabilities. Down Syndrome is a chromosomal condition related to chromosome It affects 1 in to 1 in born infants. People who have Down Syndrome have learning difficulties, mental retardation, a different facial appearance, and poor muscle tone (hypotonia) in infancy.
Adults should have a hearing assessment conducted every five years, ideally with pure tone audiometry testing and an additional word test Snashall, Susan. Due to differing craniofacial and orofacial anatomy, tymapnometry will always be a useful test for middle ear fluid.
Likewise, an otoscopic exam should be conducted annually to check the accumulation of wax. The buildup of cerumen is so common that pathologies of the middle ear may go unnoticed unless searched for by otoscope.
A study by Hassman E. The study involved forty seven children and fourteen adults with Down Syndrome. Al were the examinations included in the study.
The resulting data were compared to control groups of the appropriate age. It was also found that distortion product otoacoustic emissions had lower amplitudes in the children diagnosed with Down Syndrome than those found in the control groups. Consequently, children with Down Syndrome who are diagnosed with a hearing impairment are in danger of having learning impairments subsequent to their hearing loss.
Therefore the diagnosis and treatment of otological disorders in children is an important topic for the education of speech and language students as well as clinical research.4/25/ Down Syndrome Research Paper.
Down syndrome is a chromosomal condition in which an individual possesses extra genetic material, specifically an extra complete or partial duplicate of chromosome 21 in some or all of an individuals cells. Buy Down syndrome essay paper online Introduction This is an essay on Down syndrome, also known as trisomy 21 which is an abnormality of chromosome 21 that causes mental retardation, short stature, microcephaly, and characteristic facies.
Down syndrome Down syndrome is one of the most common genetic disorders, occurring one in every births (Davis, ). 3,, children are born with Down syndrome every year in the United States alone (Pueschel, ).
Down syndrome is a genetic disorder in which a person is born with an extra copy of chromosome There are three genetic variations that cause Down syndrome: Trisomy 21, Mosaic Trisomy 21 or Translocation Trisomy Down syndrome (usually abbreviated DS) is a medical condition caused by a chromosomal disorder in which the patient has 47 chromosomes instead of the normal We will write a custom essay sample on.
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As the paper has already mentioned, Down syndrome can be diagnosed in a child prenatally or at birth. The reader of this paper will learn how Down syndrome got the name, what Down syndrome is, the case for this disorder, the facts that are known of Down syndrome. The methods used to test and find DS before the birth of a child.