Fusion of a large non-motile female gamete and a small motile male gamete is called
AConjugation by direct cell contact
BIsogamous fusion of similar gametes
COogamous fusion of unequal gametes
DAnisogamous fusion of small gametes
Answer & Solution
Correct answer: C. Oogamous fusion of unequal gametes
Oogamy: large non-motile egg + small motile sperm (e.g., Volvox, Fucus). Isogamy = similar flagellated gametes; anisogamy = similar morphology but different sizes; conjugation = different process.
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