POLYMORPHISM #2. “A second class of polymorphism involves species in which mating types are morphologically distinct and field observations can reveal their number and frequency in populations.”
http://www.pnas.org/content/112/29/8859.full
POLYMORPHISM #2. “A second class of polymorphism involves species in which mating types are morphologically distinct and field observations can reveal their number and frequency in populations.”
http://www.pnas.org/content/112/29/8859.full