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Scientists from Japan (University of Hiroshima) have taken the approach when which, during artificial insemination, you can choose the gender unborn baby. This technique has been tested on mice.
The researchers found that using the necessary chemical substances you can change the speed of sperm with the X chromosome, determining the female gender of the future fetus, thereby separating them from sperm with Y chromosomes that determine the male gender.
Researchers Sure Experiment Used in no way affects the ability of sperm to fertilize, and also their vitality. The substance only slows down sperm with the X chromosome, but exposure is also possible to draw.
According to the results of using the technique in rodents with by in vitro fertilization, the male sex was 90% of the litter. And when exposure to sperm with a Y chromosome 81% of litter is born female.
Andrey Vetrov
