Genotypically the pollen grains produced by an anthers belong to

Genotypically the pollen grains produced by anthers belong to many types.
Several types of pollen grains are formed by anthers in plants. The anther usually contains four pollen sacs which are responsible for producing pollen grains.
Pollen grains emerge from sporogenous tissues within the anther. Each sporogenous tissue cell inside the anther can produce pollen grains.