While blonde hair is a recessive gene, it is not a disappearing gene.Having blonde hair doesn’t necessarily mean having blue eyes.Scientists believe that blonde hair evolved in sun-deficient climates so that the body could synthesize vitamin D more efficiently.
Precisely, individuals with red hair are the least common with less than two percent of the global population. Redheads and blondes have the least number of people that don’t surpass even 20% of the world population. Black Hair and Green Eyes Rarest Hair Colors and Facts About Them Redheads