Question

which prenatal stage begins when a zygote is created through fertilization?
a. fetal stage
b. zygote stage
c. embryonic stage
d. germinal stage

please select the best answer from the choices provided

a
b
c
d

Explanation:

Identify the starting event of prenatal development

The creation of a zygote through fertilization marks the very beginning of prenatal development.

Analyze the stages of prenatal development

• The germinal stage is the first phase of prenatal development, spanning from conception (fertilization) to approximately two weeks, ending with implantation in the uterine wall.
• The embryonic stage lasts from two weeks to about eight weeks after conception.
• The fetal stage lasts from nine weeks until birth.
• "Zygote stage" is not a standard term for the overall prenatal stage, which is formally called the germinal stage.

Match with the correct option

The stage that begins with the creation of a zygote is the germinal stage, which corresponds to option D.

Answer:

• A. fetal stage
• B. zygote stage
• C. embryonic stage
• D. germinal stage (Correct answer)