The ratio of X- and Y-Bearing sperm in ejaculates of men with three or more children of the same sex
Irving, J., Bittles, A., Peverall, J., Murch, A. and Matson, Phillip (1999) The ratio of X- and Y-Bearing sperm in ejaculates of men with three or more children of the same sex. Journal of Assisted Reproduction and Genetics, 16 (9). pp. 492-494.
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Purpose: The present study evaluated the proportions of X-bearing and Y-bearing sperm within the semen of donors who were the declared fathers of three or more sons or daughters.
Methods: The proportions of sperm were determined using dual-color fluorescence in situ hybridization to identify the X and Y chromosomes.
Results: The only difference observed was in semen volume. There was no increase in the proportion of Y-bearing sperm for men with only sons (49.7
|Publication Type:||Journal Article|
|Publisher:||1999 Plenum Publishing Corporation|
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