The prevalence of a Y chromosome with the same sequences as Genghis Khan illustrates

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The prevalence of a Y chromosome with the same sequences as Genghis Khan is a clear example of nonrandom mating. It indicates that certain individuals are more likely to pass on their genetic material due to their social status or reproductive success, rather than chance alone. This effect has been called the "Genghis Khan effect," and it is thought to be responsible for the spread of this specific Y chromosome variant across Asia.

The Prevalence of a Y Chromosome with the Same Sequences