Dhebiesty Posted October 18, 2017 Report Share Posted October 18, 2017 Who determine the sex of a child Quote Link to comment Share on other sites More sharing options...
Buffy Posted October 18, 2017 Report Share Posted October 18, 2017 Fluid dynamics. It's all in the wrist, :phones:Buffy dak2552 1 Quote Link to comment Share on other sites More sharing options...
Maine farmer Posted October 18, 2017 Report Share Posted October 18, 2017 (edited) The company we purchase bull semen from offers sexed semen, and I believe they sort it by the difference in mass, since the x chromosome has more. if you run semen through a centrifuge the sperm with the heavier x chromosomes will be propelled outward more than the ones with the y chromosomes. Some sperm are damaged by the process and there is a reduced conception rate using sexed semen. But I don't think that was what the question was. Of course the y chromosome only comes from the father, so an infant can only get the y chromosome from the father. Under natural circumstances the gender is determined mostly by probability and the proportion of y chromosomes put out by the father. It's all in the wrist, :phones:BuffyEww. I did not need that image in my head. Of course under natural conception methods wrist action is not generally needed. Edited October 18, 2017 by Farming guy Buffy and dak2552 2 Quote Link to comment Share on other sites More sharing options...
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