Question

In oogamy, fertilization occurs between

• A. Small non-motile female gamete and large motile male gamete
• B. Large non-motile female gamete and small motile male gamete
• C. Large non-motile female gamete and small non-motile male gamete
• D. Large motile female gamete and small non-motile male gamete

Answer 1

The correct option is B Large non-motile female gamete and small motile male gamete

Oogamy is defined as the fusion between a smaller motile male gamete and a larger non-motile female gamete. Oogamy is a form of heterogamy and is observed in humans. These gametes fuse to form the diploid zygote. Thus the correct answer is option B.