Which period of prenatal development is characterized by increased cellular differentiation? select one: a. embryonic period b. fetal period c. preimplantation period d. unattached conceptus?

Answer;

Embryonic period

Explanation;

The germinal stage is the period of gestation from fertilization or conception, when the egg meets the sperm, to implantation of the embryo in the uterus. The embryonic stage of gestation is the period after implantation, during which all of the major organs and structures within the growing mammal are formed.

-Embryonic period begins at fertilization (penetration of the egg by the sperm) and continues until the end of the 10th week of gestation (8th week by embryonic age). The period of two weeks from fertilization is also referred to as the germinal stage.

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