This shines a laser at the sperm to distinguish X and Y chromosomes, and can automatically separate the sperm out into different samples. As the X chromosome is larger i. Oxford University Press.
The technique is recommended for couples who will not accept a child of the undesired gender. Further information: Though illegal in most parts of the world, it is still practiced. Sperm sorting utilizes the technique of flow cytometry to analyze and 'sort' spermatozoa.
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Glenn Spaulding was the first to sort viable whole human and animal spermatozoa using a flow cytometer, and utilized the sorted motile rabbit sperm for artificial insemination. There is a preference of parents to have a son over a daughter in many countries. Assisted reproductive technology. In contrast, actual experience in Western cultures provides no evidence for any degree of gender imbalance from technologies which have long been available fetus sex selection legal — such as selective abortion or preimplantation embryo testing.