Sex Selection
Selection, Sex, Offspring, Embryo, Birth, Family
978-613-5-65765-4
6135657658
76
2012-05-10
34.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Sex selection is the attempt to control the sex of the offspring to achieve a desired sex. It can be accomplished in several ways, both pre- and post-implantation of an embryo, as well as at birth. It has been marketed under the title family balancing.The Ericsson method separates male and female sperm by passing them through a column filled with blood protein, human serum albumin. As the sperm enter the human serum albumin, the differences in mass between the X and Y chromosomes manifest as the lighter male sperm push deeper into the protein than the females dragged down by the weight of the extra "leg" of the X sex chromosome.cite_ref-dmowski1979_5-0 This tiny difference creates separate layers of concentrated male and female sperm. The layers of gender-selected sperm are of higher concentrations but not pure. This lack of purity explains the 30% chance of gender selection failure of the Ericsson method.cite_ref-chenguu1997_6-0
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