What is the term for the fusion of two motile gametes which are dissimilar in size?
(a) Anisogamy
(b) Isogamy
(c) Oogamy
(d) Zoogamy
Ans. The answer is the option (a) Anisogamy.
Explanation: The size of gametes is dissimilar in accordance to each other and hence is termed as ‘Anisogamy’.