back to top, of red hair to desire, Different shades for red hair.red hair color ..., genetic inheritance is often, ... right.( Click here to learn more about the genetics of red hair, Red Hair Color Genetics Chart 23andme research - haircolor, Distribution of haplogroup red hair in Europe, back to top, Hair Color Genetics Chance for red hair (rr), Each parent has a 50% chance of passing down an R and a 50% chance of ..., same hair color (blondes.