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Turners syndrome

Turner's syndrome

(Science: syndrome) A rare genetic disorder (1 in 3,000 births) in women that is characterised by the absence of an x chromosome. This disorder inhibits normal sexual development and causes infertility.

features include webbing of the neck, short stature, retarded development of secondary sex characteristics, absence of menses, coarctation of the aorta, low hairline, eye abnormalities (drooping eyelids) and skeletal deformities.

treatment include oestrogen supplementation at puberty. Growth hormone replacement may be necessary in some cases. Cardiac surgery may be necessary to correct coarctation of the aorta.


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Sex determination in hermaphrodites? plants?

... during the segregation of chromosomes during the meiosis, like the Turners syndrome (but in mammals, the male sex is determined by the chromozome Y, so XO is a girl).

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by florinka
Wed Jun 29, 2011 8:27 am
 
Forum: Cell Biology
Topic: Sex determination in hermaphrodites? plants?
Replies: 2
Views: 2887

Re: Question on Turners syndrome

Think of it this way: The phenotype "Being a dude" is Y-linked dominant, so what would somebody with the genotype X0 be?

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by Ultrashogun
Sun Mar 30, 2008 3:13 pm
 
Forum: Genetics
Topic: Question on Turners syndrome
Replies: 4
Views: 2569

Re: Question on Turners syndrome

Thanx for your all replies..it really helped me out.thanks once again...

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by samar
Sat Mar 29, 2008 10:18 pm
 
Forum: Genetics
Topic: Question on Turners syndrome
Replies: 4
Views: 2569

Re: Question on Turners syndrome

... to know X is missingfrom Male or Female? i hope u will help me out. Samar, I think the poster above is saying that only a female can have Turner syndrome. (A male embryo with no X chromosomes in unviable.) I can't tell, but maybe you are asking, "Which gamete (maternal or paternal) fails ...

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by snowcapk
Sat Mar 29, 2008 9:01 pm
 
Forum: Genetics
Topic: Question on Turners syndrome
Replies: 4
Views: 2569

Question on Turners syndrome

Hello, its my first day over here... :) i just wana ask a question on turner sydrome.In turner syndrom X chromosome is missing..so i want to know X is missingfrom Male or Female? i hope u will help me out. Regards, samar..

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by samar
Sat Mar 29, 2008 5:07 pm
 
Forum: Genetics
Topic: Question on Turners syndrome
Replies: 4
Views: 2569


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