Sperm can be segregated easily into male and female, scientists have shown for the first time, in a breakthrough which experts said could have ‘disruptive social consequences’ if applied to humans.
Japanese researchers discovered that sperm bearing the ‘X’ chromosome - which generates a female when it joins with the ‘X’ chromosome of an egg - carry molecules which when activated slow down its movement.
When a chemical to trigger those receptors is added to sperm, the male ‘Y’ chromosomes power ahead, separating themselves from the tardy ‘X’s.
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