Essays Tagged: "X chromosome"

Morality and the Human Genome Project

ndards of society?Can the information produced by it become a beneficial asset or a moral evil?For example, in a genetic race or class distinction the use of the X chromosomemarkers can be used for th ... ation from theadvancement of the Human Genome Project. But, lets assume this information isused to explore ways to deny entry into countries, determine social class, or evenwho gets preferential treat ...

(5 pages) 294 0 4.7 Nov/1996

Subjects: Science Essays > Genetics & Genome Projects

Haemophilia

and theother inherited through the sperm of the father. Of thesechromosomes, those that determine sex are X and Y. Females have XXand males have XY. In addition to the information on sex, 'the Xchromo ... erminants for a number of other features ofthe body including the levels of factor VIII and factor IX.'1 Ifthe genetic information determining the factor VIII and IX level isdefective, haemophilia res ...

(4 pages) 84 0 3.7 Dec/1996

Subjects: Humanities Essays > Health & Medicine > Diseases

Gender related diseases

concerning genetics well, thought out, researched, and documentedThere are thousands of cases of sex linked and sex influenced diseases worldwide. These diseases can range from a social inconvenience ... diseases worldwide. These diseases can range from a social inconvenience, to a fatal ailment. In sex linked diseases, like Muscular Dystrophy, hemophilia and color blindness, only males are affected. ...

(12 pages) 98 0 5.0 Dec/1994

Subjects: Science Essays > Biology > Human Biology

Duchenne Muscular Dystrophy

r Dystrophy, otherwise referred to as Duchenne MD or DMD.DMD is caused by a recessive allele on the X-chromosome, and is therefore sex-linked. As a result, it occurs in males more frequently then in f ... sex-linked. As a result, it occurs in males more frequently then in females. Though there are rare exceptions when female carriers can experience mild symptoms. DMD is the most common lethal genetic d ...

(3 pages) 54 0 4.5 Nov/2002

Subjects: Humanities Essays > Health & Medicine > Diseases

Turner's Syndrome.

tion. Men are different from women because they have on pair of chromosomes consisting of a single "X" and a single "Y" chromosome. Women however normally have two X chromosomes. Unlike females who do ... wever normally have two X chromosomes. Unlike females who don't have Turner's Syndrome who have two X chromosomes, those with Turner's Syndrome are missing or have a damaged X chromosome.It is impossi ...

(2 pages) 60 0 4.0 May/2003

Subjects: Humanities Essays > Health & Medicine

Lorenzo's Oil Movie Review.

their son had been diagnosed with a rare, genetic disorder of which was considered incurable. The sex-linked disorder ALD, passed on by the x-chromosome, of which is usually accompanied by the unfortu ... ating or curing various illnesses. This is shown when Lorenzo's parents continuously perform their experiments of mixing various substances and noting their ability to lower fat build-up in hopes of f ...

(4 pages) 45 0 3.8 Oct/2003

Subjects: Art Essays > Film & TV Studies > Film Review and Analysis

The Fragile X syndrome and Duchenne muscular dystrophy (DMD) disease comparation

Human cells have 46 chromosomes (fig 2 below) - 22 pairs of autosomes chromosomes 1 to 22 and two sex chromosomes X and y or X and X depending gender (sex-linked). Within these chromosomes are roughly ... mes are roughly 30,000 genes that controls and construct the organs in the body.There are over approximately 250 recognized sex-linked diseases, affecting every organ system. Of these, 95% affect male ...

(14 pages) 88 3 2.4 Nov/2003

Subjects: Science Essays > Biology

This is an Essay about the history, hardships, and chemical properties of turner's syndrome

rred to, was first described in 1938 by H. H. Turner. Turner Syndrome is when females have only one X chromosome. Because of this mutation a person with Turner Syndrome would have chromosomes that loo ... hat can be administered to children with the disorder.The most common signs of Turner Syndrome are extremely short stature, webbed neck, and the delay or absence of the menstrual cycle. Many of the ch ...

(2 pages) 44 1 2.5 Jan/2004

Subjects: Science Essays > Biology

Color Blindness

This type is found in about 8% of males and 0.4% of females. These color problems are linked to the X chromosome and are almost always passed from a mother to her son.Color blindness may be partial (a ...

(2 pages) 57 0 2.0 Feb/2004

Subjects: Science Essays > Biology > Human Biology

Determining a childs sex

Determining Sex:What determines a child's sex? Usually it is the sex chromosomes in which two X chromosomes in the ... h two X chromosomes in the nucleus of its original egg cell and it will become a female; a Y and an X chromosome and it will become a male. An egg will have at least one female determining X chromosom ... ill have at least one female determining X chromosome. A sperm cell, however, may contain either an X chromosome or a Y chromosome. If the fertilizing sperm cell contains an X chromosome, the egg will ...

(2 pages) 28 0 3.0 Mar/2004

Subjects: Science Essays

Fragile X

DefinitionFragile X syndrome (FXS) is now the most common known inherited cause of developmental disabilities, but was ... n mental and physical characteristics had a chromosomal abnormality caused by a partial break on an X chromosome, called a "fragile site". In 1991 the Fragile X gene was identified within this site.FX ... the Fragile X gene was identified within this site.FXS is named after a site on the long arm of the X chromosome that is elongated and appears partly broken or 'fragile'. The spectrum of Fragile X syn ...

(7 pages) 87 0 3.0 May/2004

Subjects: Social Science Essays > Psychology

Turner Syndrome: A Genetic Defect

ribed. Turner Syndrome only affects females because a lone Y chromosome cannot survive but a single X chromosome can. Females with Turner Syndrome either have only one X chromosome or one of the X chr ... mosome or one of the X chromosomes is piecing a piece or is misshapen.Females with Turner Syndrome exhibit many symptoms. Some are: short stature, webbed neck, horseshoe kidney, cataracts, arthritis, ...

(2 pages) 105 6 4.3 Jun/2004

Subjects: Science Essays > Genetics & Genome Projects

Biology 10 Notes on Genes, Chromosomes, Mendel's Laws, and Mitosis vs. Meiosis

al chromosome which is any of the 22 human chromosomes (or 3 Drosophila chromosomes) other than the X or Y. Autosomal genes are never sex-linked. Sex-linked Gene: Gene located in the unpaired r ... omal genes are never sex-linked. Sex-linked Gene: Gene located in the unpaired region of the X chromosome or on the Y chromosome. These genes tend to be seen in males. Mendelian Organism ...

(2 pages) 56 0 2.3 Sep/2004

Subjects: Science Essays > Biology

Color Vision Deficiency Syndrome (Color Blindness)

s as though a person suffers from a complete lack of color vision, this is not the case, with rare exceptions. Color Vision Deficiency is usually a case of being unable to distinguish between two colo ... his may or may not be an inconvenience for the bearer.As a genetic disease, it is inherited via the X chromosome. Because males have only one X chromosome, and depending which numbers are believed, an ...

(3 pages) 50 0 5.0 Jan/2005

Subjects: Science Essays > Biology > Human Biology

Chromosomes

one pair is different, one chromosome is shorter than its partner. These two chromosomes are the sex chromosomes.In females both the sex chromosomes are the same length.We use an X to represent the l ... resent the longer sex chromosome and a Y to represent the shorter one.Fertilisation A woman has two X chromosomes, XX, while a man has one of each, XY. The two Xs or the X and Y are separated from eac ...

(15 pages) 79 0 3.7 May/2005

Subjects: Science Essays

Gender role

d women because of biological differences. First, they differ from genetic structure. Men have one "X" chromosome and one "Y" chromosome while women have both "X" chromosome. Second, there is hormonal ... ave. These biological differences give males and female slight differences in motivation. And they explain why women are more intuitive and better at expressing their emotions while according to Hamil ...

(2 pages) 57 0 4.0 May/2005

Subjects: Science Essays > Biology > Human Biology

X Chromosome and Intelligence

to believe whatever makes us feel good," reveals the English author, Terry Pratchett. Two articles explore whether or not intelligence is linked to the X chromosome in a person's genetic makeup. Perha ... osome in a person's genetic makeup. Perhaps this research will end the never ending battle of the sexes regarding which sex is smarter.X Rated summaryRecent research regarding the X chromosome sequenc ...

(5 pages) 28 0 0.0 Apr/2006

Subjects: Science Essays > Biology > Human Biology

Turner Syndrome

Turner Syndrome, also known as Turner's Syndrome or Gondal Dysgenisis, is a relatively uncommon sex linked chromosome disorder. This disorder only affects females. The average person usually cannot ... isease and some problems as well. Turner Syndrome is the result when a sperm carrying a no sex chromosome fertilizes a normal ovum, or egg. This results in the female having only one or partial ...

(2 pages) 786 0 0.0 Feb/2001

Subjects: Businesss Research Papers

Hemophilia

Hemophilia is a sex-linked hereditary blood coagulation disorder. The blood's inability to clot results in excessive b ... factor VIII. The second most common form is hemophilia B, which is caused by the absence of factor IX. Twenty percent of the people with this disease have hemophilia B. Hemophilia C is caused by the l ... ent of the people with this disease have hemophilia B. Hemophilia C is caused by the lack of factor XI and only a small percentage of the people with the disease have this. The gene for hemophilia is ...

(3 pages) 13 0 5.0 Sep/2001

Subjects: Humanities Essays > Health & Medicine

Fragile X Syndrome

Fragile X syndrome is the most common genetically inherited form of mental retardation currently known. In a ... retardation currently known. In addition to intellectual disability, some individuals with Fragile X display common physical traits and characteristic facial features, such as prominent ears. Childre ... n physical traits and characteristic facial features, such as prominent ears. Children with Fragile X often appear normal in infancy but develop typical physical characteristics during their lifetime. ...

(6 pages) 12 0 3.7 Jan/2002

Subjects: Social Science Essays > Psychology