

Meiosis is a a type of cell division that happens to organisms which reproduce sexually. This mode of cell division results in four daughter cells each with half the number of chromosomes of the parent cell. Each cell is uniploid and is called as gametes in animals and spores in plants.
Thallus is a term used for green undifferentiated tissue in plats, fungi or lichens, which can develop into any plant part upon differentiation.
