London: For the first time, scientists have obtained genetic blueprints of almost 100 sperms from a single individual to confirm that they differ hugely from each other. And this difference goes on to determine which sperm will finally make it to the female egg. In the study, scientists scanned 100 sperms from one man. They found that every sperm was different because of the way their inherited DNA is shuffled, the `Daily Mail` reported. The process, known as recombination, mixes up genes passed down by a man`s mother and father and increases genetic diversity. Each of the sperms studied showed an average of 23 recombination (mixing) events. But individual sperm varied greatly in the way they experienced spontaneous genetic mutations.
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