The chemical substance found in the surface layer of cytoplasm of spermatozoa is
Fertilizin
Agglutinin
Antifertilizin
Hyaluronidase
If the first cleavage furrow divides the zygote completely into two, the cleavage type is
Middle gastrula is characterised by
Fertilizins are the substances emitted from
If Cowper's glands are removed. They will affect
Cleavage divisions differ from normal mitotic divisions in that