Asked by Emily Cheng on May 13, 2024
Verified
What is the sequence of phases during the approximately nine months of prenatal development
A) germinal, fetal, embryonic
B) germinal, embryonic, fetal
C) embryonic, germinal, fetal
D) fertilization, germinal, fetal
Prenatal Development
The process of growth and development within the womb from conception to birth.
Germinal
Refers to the earliest stage of development in organisms, starting from fertilization through to the formation of the early embryo.
Embryonic
Referring to the early stages of development within the womb, from conception until the end of the eighth week.
- Acquire knowledge about the sequence and peculiarities of the germinal, embryonic, and fetal stages.
Verified Answer
RM
Riley MooreMay 14, 2024
Final Answer :
B
Explanation :
The correct sequence of phases during prenatal development is germinal, embryonic, and fetal. The germinal stage lasts from fertilization to approximately two weeks, during which the fertilized egg undergoes cell division and begins to implant in the uterine wall. The embryonic stage lasts from week three through week eight, during which the major organs and structures of the body begin to form. The fetal stage lasts from week nine until birth, during which the body systems mature and the fetus grows in size and weight. Therefore, the best choice is option B: germinal, embryonic, fetal.
Learning Objectives
- Acquire knowledge about the sequence and peculiarities of the germinal, embryonic, and fetal stages.
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