If you have red hair, it's time to rejoice because National Love Your Red Hair Day is Thursday, Nov. 5.
15. Both parents must carry the redhead gene for a baby to have red hair. In order for a baby to have red hair, different versions of genes called alleles need to be present in both, according to
Stanford University. Even if a parent doesn’t have red hair, they can still pass on a red hair allele to their child.