Down syndrome Approximately 220,000 babies are born with down syndrome every year. That is 1 in every 800 babies. A average person is born with 23 pairing or 46 total chromosomes. A person born with down syndrome usually has 47 chromosomes. When down syndrome occurs the reason is because of an extra copy of the 21st chromosome in every cell. In medical terms “trisomy” refers to having an extra copy of a chromosome. The proper name for down syndrome is Trisomy 21 because of the extra copy
Words: 879 - Pages: 4
Down syndrome is a genetic disorder and the most common cause of cognitive impairment.The genetic disorder Down Syndrome is caused when abnormal cell division results in extra genetic material from chromosome 21. The most common form of Down syndrome is known as trisomy 21, a condition where individuals have 47 chromosomes in each cell instead of 46.This extra genetic material causes the developmental changes and physical features of Down Syndrome.Humans usually have 46 chromosomes in every cell
Words: 523 - Pages: 3
(Anonymous)” Down-Syndrome is when there is an extra copy of the twenty-first chromosome in the human cell. This syndrome begins when a sex cell does not duplicate one of its chromosomes. When the egg and sperm unite, instead of having two copies of the twenty-first chromosome, there are three. The prenatal and postnatal development of a child with Down-Syndrome differs from the development of a child without a syndrome. The prenatal development of a child with Down-Syndrome is apparent by physical
Words: 1266 - Pages: 6
000 people in the world that are affected from down syndrome. Though, all of these 400,000 people suffer from the same genetic disorder, each person that is affected are different in their personality, needs, and individuality. Down syndrome doesn’t just affect the person’s looks and genetic mismatches, but also the way they live life and the treatment they need and will have to undergo. In addition, there are 3 different types of down syndrome. Trisomy 21, Translocation and Mosaicism. Standard
Words: 531 - Pages: 3
baby has Down's syndrome By DAILY MAIL REPORTER UPDATED: 12:13 GMT, 7 March 2011 Doctors have developed a blood test to check unborn babies for Down’s syndrome. The approach could save pregnant women from having the invasive examinations currently available, which raise the risk of miscarriage. Current blood tests can only tell if a baby is at risk of Down's Syndrome. Scientists from Cyprus, Greece and Britain said the new technique correctly identified 14 Down syndrome cases and 26 normal
Words: 1425 - Pages: 6
Down syndrome was identified as a chromosomal condition in 1959 by a physician. Down Syndrome is a common genetic disorder that people are born with when they have an extra chromosome 21. This could change the health and development of a person. There are at least one in every 700 babies in the United States that are born with this neurological condition. At least 6,000 babies with down syndrome are born each year in the United States. There are different types of down syndrome and different types
Words: 1308 - Pages: 6
Down syndrome occurs when someone has has a full or partial copy of chromosome 21 the cause of down syndrome is called nondisjunction, nondisjunction is what happens when chromosomes fail to separate properly thus having an extra strand of dna on trisome 21, down syndrome is also known as trisomy 21. Down syndrome affects every 1 in 691 babies in america which make it the most common chromosomal disorder in the world. yet despite it being the most common in the world there is still no cure for down
Words: 870 - Pages: 4
A diagnosis of Down’s Syndrome should not be allowed as a reason to terminate a pregnancy. Down syndrome is when a baby is born with an extra chromosome. Usually, a baby has 46 chromosomes, but a baby born with Down syndrome have an extra copy of chromosome 21, and as a result physical and mental issues occur. Children with Down syndrome have varying degrees of physical differences; such as a flatter face, slanted eyes, smaller stature, etc. They can also have some developmental disabilities and
Words: 842 - Pages: 4
people can develop, but the main focus that will be discussed is Down Syndrome. Down Syndrome is a condition developed due to an extra chromosome. (ghr.nlm.nih.gov). In 1866, Dr. John Langdon Down described a person with Down Syndrome. Doing this gave him the title of the “father” of this disability. In 1959, Jerome Lejeune discovered that Down Syndrome was and still is a condition built an based around chromosomes. (National Down Syndrome Society). In most cases, the chromosome that has an extra copy
Words: 538 - Pages: 3
with Down syndrome, which is roughly 1 in 700. Down syndrome is a genetic chromosome disorder causing developmental and intellectual delays. Therefore, many families, in the early twentieth century, thought that children with Down syndrome were less human and required care that the families could not do. Many children with Down syndrome were put into intuitions soon after birth. These children were put into large institutions so that society would not have to see the horror of their lives. Down syndrome
Words: 840 - Pages: 4
