Not possible: This is something that you cannot alter or control. By the nature of sperm formation, the number of sperm cells carrying Y chromosomes is for all purposes equal to the number of sperm cells carrying X chromosomes.
Answered 11/11/2014
3.7k views
You cannot!: An ultra-centrifuge can help, but little else will work!
Answered 4/25/2015
2.9k views
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A doctor has provided 1 answer
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