Alpha-the top of hierarchy, tall, muscular, dominant, possessive, protective, territorial, aggressive(primarily when younger) have strong pheromones.
Beta-neutral, a normal human
Omega-the lowest in hierarchy, submissive, small, the least common of the secondary genders, every month for three days experience a heat, this heat can put Alphas into rut(Alpha heat), soft, sweet pheromones that attract Alphas, motherly, Seen as baby makers
All have mates(soulmate)
Pheromones are strongest on the neck