AtomSplitter Posted October 20, 2008 Share Posted October 20, 2008 If Females as XX and males have XY is is possible to create a person with YY, and what do you think they would be like? Link to comment Share on other sites More sharing options...
CharonY Posted October 20, 2008 Share Posted October 20, 2008 In the Y chromosome a lot of genes are effectively silenced. As such a YY karyotype is probably not viable. XYY occurs, though. 1 Link to comment Share on other sites More sharing options...
AtomSplitter Posted October 21, 2008 Author Share Posted October 21, 2008 so what happens when the XYY appears? Link to comment Share on other sites More sharing options...
MedGen Posted October 21, 2008 Share Posted October 21, 2008 Not a lot usually, slight chance of reduced intelligence, but that's about it really. Bare in mind that the Y chromosome is still mostly silenced regardless. There may be some gene dosage issues since there are two SRY genes, but I don't think that's anything special compared to other structural variants and CNV's. Link to comment Share on other sites More sharing options...
Mr Skeptic Posted October 22, 2008 Share Posted October 22, 2008 Someone with YY would die well before being born. I've heard that those with XYY are more violent, but I just looked that up and it was an old misconception. It is also possible to have XXY, XXX, X, XXYY chromosomal arrangements. They are more common than you would think... Link to comment Share on other sites More sharing options...
amaysa Posted October 25, 2008 Share Posted October 25, 2008 I am just curious,is there even a slight possibility that a YY individual can be produced?Since normal females generally carry two X chromosomes they provide only X gametes and the Y chromosme can only come from a male, so how is it viable then that a YY individual would be even conceived? Link to comment Share on other sites More sharing options...
Psycho Posted October 25, 2008 Share Posted October 25, 2008 I am just curious,is there even a slight possibility that a YY individual can be produced?Since normal females generally carry two X chromosomes they provide only X gametes and the Y chromosme can only come from a male, so how is it viable then that a YY individual would be even conceived? It isn't possible to have YY as most of the genes are not only silenced but not even present. XXY causes Klinefelter's syndrome, X causes turners syndrome. Most chromosome ploidy conditions result in infertility. Link to comment Share on other sites More sharing options...
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