Question

until the end of the eighth week of gestation, the infant is called a(n):
a neonate.
b embryo.
c zygote.
d fetus.

Explanation:

• A zygote is the initial cell formed when two gametes (sperm and egg) fuse during fertilization.
• An embryo is the early stage of development of a multicellular organism. In humans, the embryonic stage lasts from fertilization until the end of the eighth week of gestation.
• A fetus is the unborn offspring of an animal that develops from an embryo. In humans, the fetal stage begins at the ninth week of gestation.
• A neonate is a newborn baby, typically within the first 28 days after birth.

Answer:

B. embryo