एक पौधे या जानवर के जीवन चक्र में दो या अधिक अलग-अलग रूपों का विकल्प

Noun:

विषमोद्‍भव, विषम जनन, स्वत: जनन,

heterogenesis's Usage Examples:

given by the few modern believers in heterogenesis.

of heterogenesis have limited themselves to cases of microscopic animals and plants, and in most cases, the observations that they have brought forward have been explained by minuter observation as cases of parasitism.

From time to time there have been observers who have maintained a belief in the opposite theory, to which the name heterogenesis has been given.

heterogenesis's Meaning':

the alternation of two or more different forms in the life cycle of a plant or animal