Incidence
Birth – 1/1,000 male births
Males in institutions for the mentally retarded - 1/100
Infertile males - 1/10
Chromosome types
47,XXY (majority)
46,XY/47,XXY (15%)
48,XXXY, 48,XXYY
49,XXXXY, 49,XXXYY
以下是比较准确的说法:
所有跟帖:
• 谢谢您的信息. 我的CASE 45/46太少见,不在里面. -worriedmom3- ♀ (0 bytes) () 02/06/2009 postreply 14:58:00