Selective advantage of euploid spermatocytes I in an azoospermic 47,XYY man having gonadal mosaicism  

ARIAS GONZALES , B.; A J SOLARI; R.B. SCIURANO; G REY VALZACCHI; I.M. RAHN; BENAVENTE, R.

Praga

Congreso; 22nd INTERNATIONAL CHROMOSOME CONFERENCE; 2018

The 47, XYY syndrome is one the most common chromosome aneuploidies (1/1000 male newborns). Although most of XYY men have normal sperm counts and are fertile, a minority of them are infertile. In the latter cases, the XYY spermatocyte is able to enter meiosis and form different synaptic configurations (Speed et al., 1991; Solari & Rey Valzacchi, 1997). However, there is scarce, well-defined information on the presence of the