In oogamy. Fertilization involves

Options

A. A large non-motile female gamete and a small non-motile male gamete
B. A large motile female gamete and a small non-motle male gemete
C. A small non-motle female gamete and a large motile male gamete.
D. A large non-motile female gamete and a small motile male gamete

Answer

D

Explanation

Oogamy is most advanced type of reproduction in which male gamete is motile, smaller and non food storing and is called antherozoid while female gamete is food storing, nonmotile and large and is called oogonium.