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Xxy syndrome

XXY syndrome --> klinefelter's syndrome

(Science: syndrome) A condition characterised by small testes with hyalinization of the seminiferous tubules, variable degrees of masculinization, azoospermia and infertility, and increased urinary excretion of gonadotropin. Patients tend to be tall, with long legs, and about half have gybecomastia. It is associated typically with an xxy chromosome complement, although variants include xxyy, xxxy, xxxxy, and several mosaic patterns (xy/xxy, xxy, xxxy, etc.).

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XYY syndrome and fate of chromosomes in meiosis I

... XX normal girl YY + X -> XYY phenotypically normal guy XY + X -> XXY Klinefelter syndrome Y + X -> normal guy. This reminds me of my high school years doing classical genetics ...

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by MrMistery
Wed Aug 05, 2009 1:24 am
Forum: Genetics
Topic: XYY syndrome and fate of chromosomes in meiosis I
Replies: 1
Views: 3689

X chromosome inactivation

X chromosome inactivation also occurs in males, in Klinefelter syndrome (XXY), but what happens if the individual has an extra Y chromosome (XYY)? Does one Y chromosome ...

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by kk
Fri Mar 27, 2009 6:38 pm
Forum: Genetics
Topic: X chromosome inactivation
Replies: 5
Views: 6950

barr body and colorblindess

... XY, therefore, NO barr bodies. An abnormal male with Klinefelter's syndrome will have genotype XXY, accounting for the presence of a barr body. If the son is to be colorblind then, he needs ...

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by Jammerz
Thu Oct 25, 2007 4:47 am
Forum: Genetics
Topic: barr body and colorblindess
Replies: 3
Views: 2992

XY fertile

... or some other translocating mechanism. Females that have the genotype XXY or XY also have the sry gene but it is a mutant and therefore these females ... Females with the XY genotype are said to have androgen insensitiviy syndrome. I think it is just a mutation in the gene that encodes the androgen ...

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by sllawb
Sat Aug 04, 2007 2:26 am
Forum: Genetics
Topic: Can XY give birth?
Replies: 12
Views: 9971

can a woman produce sperm?

... CAN NOT produce sperm. there are known different syndromes like Turnes Syndrome when they have XXY, or Chlainepher Syndrome XXXY, and so on. But they are sterile.

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by arian
Fri Apr 20, 2007 7:07 am
Forum: Human Biology
Topic: can a woman produce sperm?
Replies: 17
Views: 20554
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