Brian's Empire KE
Brian Kimathi
Wakera Wangare
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Red hair may be increasing as study points to surprising evolution trendDirectional selection is when a specific gene provides such significant benefits that it rises in frequency across a population much faster than random chance. (iStock)
Scientists have long pointed to vitamin D synthesis as a likely driver for the rise of traits like fair skin and light hair. (iStock)
While redheads remain a minority of the global population today, the Harvard study’s analysis suggests they may not be an evolutionary accident. (iStock)
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