Question

regarding prenatal development, what is another name for a fertilized egg?

a.) zygote

b.) embryo

c.) fetus

d.) in vitro

Explanation:

Identify the term for a fertilized egg

In developmental psychology and biology, prenatal development begins at conception when a sperm fertilizes an egg. The resulting single-celled organism is scientifically referred to as a zygote.

Evaluate the other options

• Embryo: This stage begins after the zygote implants in the uterine wall (roughly from 2 to 8 weeks after fertilization).
• Fetus: This stage begins around the 9th week after fertilization and lasts until birth.
• In vitro: This term refers to biological processes or procedures performed outside a living organism (e.g., in a laboratory test tube).

Answer:

• a.) Zygote (Correct answer)
• b.) Embryo
• c.) Fetus
• d.) In vitro