If there are two separate genetic traits that are each shared by 1% of all people, what is the probability someone will have both genetic traits?

Question

Your answer may solve a 150 year old mystery.

Answer 1

if there is a 1% chance of each trait and they are entirely separate, then you must multiply the probability of getting both. A 1% chance is equivalent to 1/100. 1/100 multiplied by 1/100 is 1/10000, or 0.01%