Down syndrome genetics abnormality essay
Down syndrome--an explanation down syndrome is a birth defect where there is a congenital malformation accompanied by moderate to severe mental retardation, and caused by a chromosomal abnormality down syndrome is the most common genetic birth defect associated with mental retardation and occurs equally across all races and levels of society . It was first identified by the geneticist jerome lejeune in 1963 who also discovered the genetic abnormality that causes down syndrome cri-du-chat syndrome is the result of a genetic deletion on chromosome 5. Down syndrome is the most frequently occurring chromosomal abnormality in the world even though down syndrome is not inherited by genetics but is a genetic defect that occurs randomly women over the age of thirty -five are more likely to have children with down syndrome but eighty percent of children with down syndrome are born to women . Today there is known of three types of genetic disorders: single gene disorders, chromosomal disorders, and complex disorders (medicine, 2015) down syndrome is a set of.
The free genetics research paper (down syndrome essay) presented on this page should not be viewed as a sample of our on-line writing service if you need fresh and competent research / writing on genetics, use the professional writing service offered by our company. Down syndrome is a genetic disorder and the most common autosomal chromosome abnormality in humans, where extra genetic material from chromosome 21 is transferred to a newly formed embryo these extra genes and dna cause changes in development of the embryo and fetus resulting in physical and mental . 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. Genetics chromosomal abnormalities the most common chromosomal abnormality in man down syndrome: get your custom essay sample.
Essay down's syndrome down's syndrome is a genetic condition involving an extra chromosome, this change occurs around the time of conception a person with down's syndrome has forty-seven chromosomes instead of the usual forty-six. It seems that turner syndrome is a random event, but based on our first pregnancy, are we at a higher risk of having a child with a genetic abnormality see answer how can i learn more about learning disabilities in women and girls with turner syndrome. Free 600 words essay on genetic disorders for school and college students the most common types of diseases caused by dna abnormality are down syndrome, cystic . Down syndrome is a chromosomal abnormality characterized by the presence of an extra copy of genetic material on the 21st chromosome, either in whole .
There are three kinds of genetic disorders: single-gene disorders, chromosome abnormalities, and multifactorial disorders in this document we will cover the three types of genetic disorders, examples of each type, and possible treatment of particular disorders such as huntington’s disease, down syndrome, and alzheimer’s disease. Down syndrome is found in one in every 691 babies in the united states (global down syndrome para 12) the abnormality in physical and mental traits of this genetic disease has made it moderately difficult for those who are diagnosed to live their lifestyle and their parents are more complicated . Home genetic disorders chromosomal abnormalities down syndrome down syndrome what is down syndrome down syndrome is a developmental disorder caused by an extra copy of chromosome 21 (which is why the disorder is also called trisomy 21). Down syndrome is the most common genetic disorder down syndrome affects people of all ages, races, and economic levels it is the most frequently occurring chromosomal abnormality it occurs about once in every 800 to 1,000 births there are over 350,000 people in the untied states alone that have .
Down syndrome genetics abnormality essay
Read this essay on genetics and down syndrome come browse our large digital warehouse of free sample essays three examples of genetic disorders are down . Down syndrome down syndrome occurs when there is an extra copy of chromosome 21 people with this abnormality is described to be having a physical feature like excess skin at the nape of the neck, flattened nose, single crease in the palm of the hand, small ears, small mouth, upward slanting eyes, wide, short hands with short fingers, white spots on the colored part of the eye. Down syndrome is a chromosomal condition that is associated with intellectual disability, a characteristic facial appearance, and weak muscle tone (hypotonia) in infancy all affected individuals experience cognitive delays, but the intellectual disability is usually mild to moderate people with . A genetic disorder is a disease that is caused by an abnormality in an individual's dna abnormalities can range from a small mutation in a single gene to the addition or subtraction of an entire chromosome or set of chromosomes” (letsou) most individuals are either related to or know someone who .
Read this essay on down syndrome essay down syndrome is the most common chromosome abnormality in humans how genetics influence down syndrome psy 104 . Down syndrome, a chromosome abnormality is present in all ethnicity, social economic classes, and gender which is defined as a congenital disorder by an extra chromosome on the chromosome 21 pair. Genetics term papers (paper 18422) on downs syndrome : down syndrome, the most common genetic birth defect associated with mental retardation, occurs equally across all races and levels of socie.
Down syndrome is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21 (hsa21), which was first described in 1866 from: genetic diagnosis of endocrine disorders (second edition) , 2016. Down syndrome down syndrome is one of the most common genetic disorders, occurring one in every 600 births (davis, 2008) 3,500-5,000 children are born with down syndrome every year in the united states alone (pueschel, 2008). View essay - down syndrome research from bio 61 at evergreen valley college tran 1 biology 61 may 19, 2014 down syndrome nowadays, down syndrome is the most common genetic disorder in the united. 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 some or all of an individuals cells.