Essays Tagged: "x chromosomes"

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

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

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

Chromosome 18 Research Paper

ION:Chromosomes are fundamental to all life. There are 22 numbered pairs of chromosomes, plus two sex chromosomes. The sex chromosomes in females are the two X chromosomes and in male they are an X an ... ome studied in this paper- is one of the smallest. The genetic code of the chromosome is made of deoxyribonucleic acid-DNA. The structure of the DNA creates the alphabet and therefore the language of ...

(9 pages) 68 0 3.0 Mar/2004

Subjects: Science Essays > Chemistry

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

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

Hemophilia 4

he clotting factor eight. The rest of the 85% have Christmas, which lacks clotting factor nine. An extremely small number of hemophiliacs lack yet another kind of clotting factor. Both ... oyal houses of Spain, Germany, and Russia. Hemophilia A and B are caused by genes that are sex linked and recessive. A defective gene on the X chromosome, one of the two chromosomes, that deter ...

(5 pages) 8 0 5.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine > Diseases

Hemophilia manitoba

Hemophilia Manitoba Hemophilia Manitoba, or hemophilia, is a sex-linked genetic disorder that is effecting about 20,000 Americans, most of which males. A person wi ... even dental work. There are two types of hemophilia, A and B (Christmas disease). Hemophilia B is extremely rare. The majority of the people have hemophilia A. In hemophilia A, the particular factor ... ophilia A. In hemophilia A, the particular factor missing is 8 for clotting.Because hemophilia is sex-linked disorder, it can be passed on from mother to child. This is because the gene responsible fo ...

(4 pages) 427 0 3.0 Feb/2008

Subjects: Humanities Essays > Health & Medicine > Diseases

Duchenne Muscular Dystrophy

on pattern that is found in children with DMD. There have been many studies done to determine what exactly causes the mental retardation. (http://en.wikipedia.org/wiki/Duchenne_muscular_dystrophy)Burn ... rder is usually only found in males. It has very rarely been found in females because they have two X chromosomes and the disease is recessive. They pass it on to one half of their sons and to one hal ...

(4 pages) 16 0 0.0 May/2008

Subjects: Science Essays > Biology

Turner's Syndrome: Symptoms, Treatment, and Prognosis

Turner syndrome is a fairly common genetic disorder that affects approximately one in every 2,500 female births. Within this genetic disorder, the affected individual exp ... disorder, the affected individual experiences many symptoms, most having to do with their lack of sexual development during puberty. Diagnosed individuals have a chromosomal abnormality. Turner syndro ... ave a chromosomal abnormality. Turner syndrome is characterized by a lacking, or deficiency, of the X chromosome, this being the abnormality. All female infants are born with two X chromosomes but Tur ...

(5 pages) 13 0 3.7 Mar/2009

Subjects: Humanities Essays > Health & Medicine

Rett Syndrome: A Rare Incurable Disorder

used by a mutation of the methyl-CpG-binding protein 2, or MeCP2, gene. This gene is located on the X chromosome ("Overview" page 1 par 3). Females are born with two X chromosomes, while males are bor ... hile males are born with an X and a Y. When a female has RTT, she fortunately has another "back up" X chromosome, which can compensate for the other X chromosome and promote a more normal healthy life ...

(5 pages) 11 0 0.0 Apr/2009

Subjects: Humanities Essays > Health & Medicine > Diseases

Duchenne Muscular Dystrophy

gressively worse over time. Duchenne muscular dystrophy is inherited through a genetic defect on an X chromosome. This disorder is most commonly known to effect males more then females, this is becaus ... s disorder is most commonly known to effect males more then females, this is because women have two X chromosomes and the dominant X will compensate for the defect on the recessive X chromosome and sh ...

(3 pages) 2 0 0.0 Feb/2013

Subjects: Science Essays > Biology