what is xx or xy
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XY sex-determination system Exceptions to these generalisations happen in the cases of XX males or XY females, or other syndromes. This system is in contrast with the ZW sex-determination system found in birds, some insects, many reptiles, and other animals, in which the heterogametic sex is female.
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Definitions &Translations 1. surreal-characterized by fantastic imagery and incongruous juxtapositions; a great concourse of phantasmagoric shadows --J.C.Powys; the incongruous imagery in surreal art and literature . Synonyms: phantasmagoric, phantasmagorical, surrealistic.urreal-characterized by fantastic imagery and incongruous juxtapositions; a great concourse of phantasmagoric shadows --J.C. Powys; the incongruous imagery in surreal art and literature . Synonyms: phantasmagoric, phantasmagorical, surrealistic.
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Tuition assistance changes for Soldiers FORT RUCKER, Ala. (August 7, 2014) -- The Army Tuition Assistance program is designed to help Soldiers achieve their higher-education goals, but major changes are coming to the program that each Soldier needs to know about.
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Klinefelter syndrome Klinefelter syndrome. Klinefelter syndrome (sometimes called Klinefelter's, KS or XXY) is where boys and men are born with an extra X chromosome. Chromosomes are packages of genes found in every cell in the body. Two types of chromosome, called the sex chromosomes, determine the genetic sex of a baby.
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Y chromosome 47, XYY syndrome (simply known as XYY syndrome) is caused by the presence of a single extra copy of the Y chromosome in each of a male's cells. 47, XYY males have one X chromosome and two Y chromosomes, for a total of 47 chromosomes per cell.
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Definitions &Translations XXX(Symbol) Extra strong - very high quality. XXX(Symbol) Traditional brewer's mark for barrels of extra strong beer - extended to other alcoholic beverages and other products having an extra strong dimension (varying from washing soap to pornography). XXX(Symbol) An indicator of hazard or poison.
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- KYLE XY follows the story of Kyle, a mysterious teenage savant with the innocence of a newborn.After being found wandering in traffic and put in an institution, he meets psychologist Nicole Trager, who brings him home, much to the chagrin of her two children Lori and Josh.YLE XY follows the story of Kyle, a mysterious teenage savant with the innocence of a newborn.
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Y chromosome The Y chromosome is one of the two sex chromosomes in humans (the other is the X chromosome). The sex chromosomes form one of the 23 pairs of human chromosomes in each cell.
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- Xyy redirects here. For the CIE XyY colour model, see XyY. XYY syndrome is a genetic condition in which a human male has an extra male (Y) chromosome, giving a total of 47 chromosomes instead of the more usual 46. This produces a 47,XYY karyotype, which occurs every 1 in 1,000 male births.yy redirects here. For the CIE XyY colour model, see XyY. XYY syndrome is a genetic condition in which a human male has an extra male (Y) chromosome, giving a total of 47 chromosomes instead of the more usual 46. This produces a 47,XYY karyotype, which occurs every 1 in 1,000 male births.
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Y chromosome The Y chromosome is one of two sex chromosomes in mammals, including humans, and many other animals. The other is the X chromosome. Y is the sex-determining chromosome in many species, since it is the presence or absence of Y that determines the male or female sex of offspring produced in sexual reproduction. In mammals, the Y chromosome contains the gene SRY, which triggers testis development. The DNA in the human Y chromosome is composed of about 59 million base pairs. The Y chromosome is pass
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- Normal males inherit an X and a Y chromosome while females have two X's. A single Y chromosome is sufficient to produce maleness while its absence is necessary for femaleness. Female abnormalities are due to variations in the number of X chromosomes.
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- Two X chromosomes mean the person is female while an X and a Y chromosome means the person is male. A karyotype can also diagnose any condition that results from extra or missing chromosomes. In addition to Down syndrome (trisomy 21), a karyotype can determine if you have: Edward syndrome (trisomy 18)
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- This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term XXX. thirty, 30, XXX(noun) the cardinal number that is the product of ten and three.
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X chromosome The X chromosome is one of the two sex-determining chromosomes (allosomes) in many organisms, including mammals (the other is the Y chromosome), and is found in both males and females. It is a part of the XY sex-determination system and X0 sex-determination system.
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Y chromosome Medical Definition of Y chromosome. : a sex chromosome that is characteristic of male cells in species in which the male typically has two unlike sex chromosomes—compare x chromosome.
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Pornography XXX is used to designate pornographic material in the United States and other regions around the world. Pornography is the portrayal of sexual subject matter for the purpose of sexual arousal. Pornography may be presented in a variety of media, including books, magazines, postcards, photographs, sculpture, drawing, painting, animation, sound recording, writing, film, video, and video games.
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X chromosome The X chromosome is one of the two sex chromosomes in humans (the other is the Y chromosome). The sex chromosomes form one of the 23 pairs of human chromosomes in each cell. The X chromosome spans about 155 million DNA building blocks (base pairs) and represents approximately 5 percent of the total DNA in cells. Each person normally has one pair of sex chromosomes in each cell. Females have two X chromosomes, while males have one X and one Y chromosome. Early in embryonic development in females, one of the two X chromosomes is randomly and permanently inactivated in cells other than egg cells.
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XY sex-determination system In humans, a single gene (SRY) present on the Y chromosome acts as a signal to set the developmental pathway towards maleness. Presence of this gene starts off the process of virilization. This and other factors result in the sex differences in humans. The cells in females, with two X chromosomes, undergo X-inactivation, in which one of the two X chromosomes is inactivated.
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- Xyy redirects here. For the CIE XyY colour model, see XyY. XYY syndrome is a genetic condition in which a human male has an extra male (Y) chromosome, giving a total of 47 chromosomes instead of the more usual 46. This produces a 47,XYY karyotype, which occurs every 1 in 1,000 male births. Some medical geneticists question whether the term  syndrome  is appropriate for this condition because its clinical phenotype is normal and the vast majority of 47,XYY males do not know their karyotype.
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Klinefelter syndrome Klinefelter syndrome or Klinefelter's syndrome (KS) (/ˈklaɪnfɛltər/) also known as 47,XXY or XXY, is the set of symptoms that result from two or more X chromosome in males.The primary feature is sterility.Often symptoms may be subtle and many people do not realize they are affected.he underlying mechanisms involves at least one extra X chromosome in addition to a Y chromosome such that there is a total of 47 or more chromosomes rather than usual 46. KS is diagnosed by the genetic test known as a karyotype. While there is no cure a number of treatments may help.
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Learning About Klinefelter Syndrome (This is written as XX.) Males have an X and a Y chromosome (written as XY). The two sex chromosomes help a person develop fertility and the sexual characteristics of their gender. Most often, Klinefelter syndrome is the result of one extra X (written as XXY).
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Y chromosome Most mammals have only one pair of sex chromosomes in each cell. Males have one Y chromosome and one X chromosome, while females have two X chromosomes. In mammals, the Y chromosome contains a gene, SRY, which triggers embryonic development as a male.
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Overview Females have two X chromosomes, or XX. Most males have one X chromosome and one Y chromosome, or XY. Males with Klinefelter syndrome are born with cells that have an extra X chromosome, or XXY. Klinefelter syndrome is a genetic condition, meaning people are born with it, but it's not passed down through families like some genetic diseases.
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- XYY syndrome is a genetic condition in which a human male has an extra male (Y) chromosome, giving a total of 47 chromosomes instead of the more usual 46.This produces a 47,XYY karyotype, which occurs every 1 in 1,000 male births.yy redirects here. For the CIE XyY colour model, see XyY. XYY syndrome is a genetic condition in which a human male has an extra male (Y) chromosome, giving a total of 47 chromosomes instead of the more usual 46. This produces a 47,XYY karyotype, which occurs every 1 in 1,000 male births.
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Intersex 46, XY INTERSEX. The person has the chromosomes of a man, but the external genitals are incompletely formed, ambiguous, or clearly female. Internally, testes may be normal, malformed, or absent. This condition is also called 46, XY with undervirilization.
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What does XXL mean in Roman Numerals? A smaller number in front of a bigger number means subtraction, all else means addition. For example, IX means 9, XI means 11. You would not put more than 1 smaller number in front of a bigger number to subtract. For example, IIX would not mean 8. You should separate ones, tens, hundreds, and thousands as separate items. That means that 99 is XCIX, 90 + 9, however never should be written as IC.