When Does the Period of the Zygote Take Place During

Multiple Choice

When does the period of the zygote take place during prenatal development?

A) after implantation when the zygote first begins to differentiate
B) between conception of the new zygote and implantation in the uterus
C) after conception takes place and the zygote undergoes meiosis
D) after conception takes place and the zygote undergoes mitosis