The series of mitotic divisions that occurs directly after a zygote is formed is known as:
A. meiosis.
B. cleavage.
C. fertilization.
D. parthenogenesis.
Cleavage is a series of mitotic cell divisions where there is no increase in cell size, just cell numbers. This is how organisms grow. Fertilization is the union of sperm and egg to make a zygote. Meiosis is the process whereby the sperm and egg form. Parthenogenesis is a unique process whereby unfertilized eggs develop into new organisms, and is commonly found among insects.