Which of the following statements is true about the period of the zygote?
A) It lasts from implantation to the eighth week of pregnancy.
B) During this period, the primitive brain and spinal cord appear.
C) During this period, the blastocyst burrows into the uterine lining.
D) It spans the first and second trimester of pregnancy.

Question

Quizplus · Accepted Answer

The period of the zygote, also known as the germinal stage, lasts from fertilization until implantation, during which the blastocyst burrows into the uterine lining.

Which of the Following Statements Is True About the Period