Question

In which of the method of plasmogamy, both male and female gametangia do not fuse together losing their identity? (a)Spermatization, Mucor. (b)Plasmogamy, Albugo. (c)Gametangial copulation, Rhizopus. (d)Gametangial contact, Albugo.

Answer 1

Gametangial contact. It occurs in oomycetes. Eg. Phytopthora, and Ascomycetes Eg. Ascogonium. Here sex organs antheridium and oogonium come in contact and through a fertilization tube, male nucleus enters into egg.