A fertilized egg, which represents the first cell of a new individual, is called a ________.
A) blastocyst
B) zygote
C) fetus
D) embryo

Question

Quizplus · Accepted Answer

A fertilized egg is called a zygote, which is formed by the fusion of a sperm and an egg during fertilization. The other options refer to later stages of development, with the blastocyst being a structure that forms a few days after fertilization, the embryo being the stage after the blastocyst and before the fetus, and the fetus being the developing individual from about 9 weeks until birth.

A Fertilized Egg, Which Represents the First Cell of a New