Are Twins Rarer than Redheads?

Give me a piece of Dynomite Pie* and I might tell you! Okay, Okay! The short answer is yes! We’re a lot less common than your average red head.  Redheads (and those with intersexual traits, by the way) represent 1.7% of the world’s population, while monozygotic twins – identical, that is  – occur at aContinue reading “Are Twins Rarer than Redheads?”