Reference work entry

As per sex selection, X-bearing sperms can be separated with reasonably good efficiency from their Y-bearing counterparts with the aid of cell sorters and fluorescent labeling, on the basis of the increased DNA content of X-bearing sperms. This process then can be used in artificial insemination in animal breeding. For humans, sex-selection is primarily an ethical issue.  sex determination,  sex ratio; Johnson LA 2000 Anim Reprod Sci 60–61:93; Welch GR, Johnson LA 1999 Theriogenology 52:1343.

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