Asked by
Angel Dladla
on Dec 24, 2024
Verified
Marisa is at a point in her pregnancy when the zygote is moving down to her uterus, and the placenta and umbilical cord and placenta are beginning to form. Which period of prenatal development is Marisa currently experiencing?
A) fetal
B) embryonic
C) placental
D) germinal
Germinal Period
The first two weeks of prenatal development after conception, characterized by rapid cell division and the beginning of cell differentiation.
Zygote
The initial cell formed when a new organism is produced by sexual reproduction, containing genetic material from both the mother and father.
Placenta
An organ that connects the developing fetus to the uterine wall, allowing for nutrient uptake, waste elimination, and gas exchange via the mother's blood supply.
- Identify the principal phases and durations of development before birth.
- Explain the mechanism of fertilization and the initial stages of embryo development.
Verified Answer
SM
Learning Objectives
- Identify the principal phases and durations of development before birth.
- Explain the mechanism of fertilization and the initial stages of embryo development.