*Flashback Friday*

*This post originally appeared on The PediaBlog on September 14, 2012.   Color Blindness     Color blindness is a pretty common disorder: about 10% of males and 0.5% of females are color deficient. It is primarily an inheritedtrait on the X-chromosome,...

Color Blindness

  Color blindness is a pretty common disorder: about 10% of males and 0.5% of females are color deficient. It is primarily an inherited trait on the X-chromosome, which is why males (XY), with only one X-chromosome, are more commonly affected than females (XX),...