Examlex
A __________ layer consists of diffuse unorganized polysaccharide material that lies outside the cell wall and is easily removed.
Zygote
The initial cell formed when two gamete cells are joined by means of sexual reproduction, possessing genetic material from both parents.
Cleavage
The process of cell division in the early embryo, leading to the formation of a multicellular structure.
Vegetal Hemisphere
In biology, the lower half of an egg or embryo where the yolk and nutritive tissues are concentrated, opposite to the animal hemisphere.
Animal Hemisphere
The upper half of an egg (in many animals) where most of the cytoplasm is located, opposite the vegetal hemisphere.
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