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21 St Chromosome Extra Chromosome
583 wordsDown Syndrome or Trisomy 21 as it is also commonly known, is a genetic condition that for many years has been shrouded in fear, darkness & shame. There is absolutely nothing to fear, and there never should be any feelings of shame, it is not the persons fault. The only darkness associated with down syndrome is the ignorance many people have towards it. Basically down syndrome means that a person has one extra chromosome in each of the million of cells in their body. Instead of 46 chromosomes per...
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Genetic Disorder Severe Mental
1,175 wordsTo the Parents or Legal Guardians of Patient XC 902 -V 42 In our extensive testing it was revealed to us that your son suffers from a genetic disorder called Trisomy 13 or Patau's Syndrome. Trisomy 13 is a syndrome caused by an extra 13 th chromosome. As you may be aware that humans have 23 chromosomes in pairs of two. In your son's case the 13 chromosome has and extra pair. Normally it is thought that a Trisomy occurs when, at conception, either the father's sperm or the mother's egg contained ...
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Genetic Disorders Genetic Screening
1,892 wordsBiology II 10 / 3 / 00 Earths inhabitants have populated all of the regions of the world, discovered places never dreamed of, and have advanced beyond normal understanding, while man can still be conquered by an object which is immeasurably small. While man has been so busy trying to find a way to get rid of all pain and suffering, he has finally discovered that there are things that cannot be stopped. This relentless phenomenon is called a genetic disorder. A genetic disorder by definition is a...
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People Who Suffer Downs Syndrome
2,784 wordsAll children that are born with Downs Syndrome (previously called mongolism) have a common characteristic appearance and may also share similar congenital birth defects. Dr John Downs, of whom the condition is so named after, found that children who were born with these similar characteristics and that after testing were complete. It was found that there was a common chromosome abnormality, which is known as Trisomy 21 (Cunningham, 1996). Every pregnant woman is at risk of having a Downs Syndrom...
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People With Down Syndrome 21 St Chromosome
1,571 wordsH 2 > Introduction In the United States about one in every 1000 live births is a child with Downs Syndrome. Downs Syndrome affects all races and genders. It is caused by extra genetic material on the twenty-first chromosome. There are three different types of Downs Syndrome known to man today. The first case of reported was in the late 1950 s, but the condition was identified in the late 1960 s. In most cases it is simple to identify an individual with Downs Syndrome. In most cases the f...
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21 St Chromosome Downs Syndrome
388 wordsDowns Syndrome- A Chromosome Abnormality Aimee-Kate 3 - 2 In humans the Chromosome compliment is 46, however in a person with the disease called Downs Syndrome, an extra chromosome is formed to give 47. Usually in Downs Syndrome there is an extra copy of chromosome 21. Also called Trisomy 21, this is the most common variant of Downs. The effects of this extra chromosome are that this person will have a learning disability. The average life expectancy for a sufferer of Downs Syndrome without furt...
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Child With Down Syndrome People With Down Syndrome
1,218 wordsDown syndrome is a genetic disease caused by three major factors, genetics, chromosome formation and cell division. Through scientific research, scientists have made vast discoveries on how to "treat" people with the disease and how to help families cope with a child with Down syndrome. Through our research we hope to make more people aware of Down syndrome, how it is caused, how they can help and what is being done to treat people with the disease, so that one day it may be "curable. " Down's s...
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Neural Tube Defects Central Nervous System
1,262 words... b. /March 1991). Spontaneous errors in development, whose causes are unknown, can happen in the central nervous system, face, gut, genitourinary system, and heart as shown in Table 2. The time during pregnancy which these may occur is also is also shown in Table 2 and ranges from twenty-three days to twelve weeks, all which fall into the first trimester. How these anomalies are triggered in birth defects is unknown. Neural Tube Defects, which causes are also unknown, are some of the most com...
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Children With Down Syndrome Child With Down Syndrome
1,179 wordsDown Down Syndrome 4 Introduction Down syndrome is a chromosomal abnormality. It is the most frequent form of mental retardation and is characterised by well-defined, distinctive phenotypic features and natural history. An error in cell development results in forty-seven chromosomes rather than the usual forty-six. There are three major types of Down syndrome. About ninety-five percent of individuals with Down syndrome have Trisomy 21. There is also Translocation and Mosaicism. Down syndrome can...
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Extra Chromosome Trisomy 21
494 wordsDown Syndrome: An Informative Essay Down Syndrome is the name for babies born with a disorder related to their chromosomes. It is caused when meiosis occurs and an error occurs in the cells development. The reason for this defect is often because the parent is over 40 or for some other reason their meiosis is not Up to par. The actual defect is an extra chromosome is developed during cell development. The abnormal development results in 47 chromosomes rather than the usual 46 (23 from each paren...
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Patau Syndrome Trisomy 13 Chromosome
399 wordsTrisomy 13 (Pataus Syndrome) Dr. C. J Gamble To the Parents or Legal Guardians of Patient XC 902 -V 42 In our extensive testing it was revealed to us that your son suffers from a genetic disorder called Trisomy 13 or Patau's Syndrome. Trisomy 13 is a syndrome caused by an extra 13 th chromosome. As you may be aware that humans have 23 chromosomes in pairs of two. In your sons case the 13 chromosome has and extra pair. Normally it is thought that a Trisomy occurs when, at conception, either the f...
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Mental Retardation Extra Chromosome
536 wordsState that meiosis is a reduction division in terms of diploid and haploid numbers of chromosomes Outline the process of meiosis including pairing of chromosomes followed by two divisions which result in four haploid cells In meiosis, the number of chromosomes is halved, the daughter cells receiving only one of each type of chromosome instead of two. It occurs in the formation of gametes (sex cells). In the diploid parent cell, chromosomes occur in homologous pairs (the same size). The parent sp...
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