How you know which female sperm
30 Oct However, to discover the composition of the sperm and female egg, it was needed to carry out a colossal work by scientists in order to learn the.
11 Nov Professor Matthews told the Independent: 'It may be possible in future to use this to perhaps separate male and female sperm.' He said this.
Can you choose to have a boy or girl?
This is because female sperm are thought to be stronger and therefore last Take our gender predictor test to find out if you're likely to be expecting a girl or a .
Description:The present study evaluated the proportions of X-bearing and Y-bearing sperm within the semen of donors who were the declared fathers of three or more sons or daughters. The proportions of sperm were determined using dual-color fluorescence in situ hybridization to identify the X and Y chromosomes. The only difference observed was in semen volume. There was no increase in the proportion of Y-bearing sperm for men with only sons
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