Fusion of two gametes which are dissimilar in size is termed as

Options

A. oogamy
B. isogamy
C. anisogamy
D. both a and c

Answer

D

Explanation

In anisogamy the fusing gameters differ in size and behavious. One of the two gametes is larger and is called macrogamete or female gamete, the other is smaller and is termed microgamete or male gamete. In oogamy, there is a large food laden nonflagellate female gamete called egg or oosphere whereas the male gamete or antherozoid is smaller and motile. oogamy is the familiar form of sexual reproduction, it is a form of anisogamy (heterogamy).