A stem cell is an extraordinary, early stage, unspecified cell that has the potential to develop into a number of specialized cell types.
there important because they can replace cells that have been lost or damaged
<span>They are both in the superfamily hominoidea. This classifies species that have a tubular tympanic bone, dental formula that includes incisors, molars, and rounded cusps, broad nasal regions, no tail, broad palates, long upper limbs, hind limbs, a large brain, and a size between 4 and 200 kilograms.</span>
Answer:
meiosis
Explanation:
The crossing over of homologous chromosomes occurs in meiosis. Meiosis is characterized by the lining up of homologous chromosomes close together to form a structure known as a tetrad.