The two main stages are :
growing stage- Interphase and actual cell division - mitotic phase
Answer:
The correct option is D. Crossing over and independent assortment are the causes of genetic variation.
Explanation:
In the process of meiosis, crossing over is a phenomenon through which exchange of genetic segments takes place among the homologous chromosomes.
The process of independent assortment describes how different genes assort differently during meiosis.
Both the process of crossing over and independent assortment are the basis of the genetic variations seen in the world.
Answer:
It would be a because it helps with immunity
Answer:
Nucleus controls and regulates the activity of cell eg: growth, metabolism and carries the gene(structure that contain the heriditary information). nuclolie are small bodies often seen within the nucleus.
Explanation: