What is the result of gastrulation?
Correct answer: D. Germ layers
- A. A blastocyst
- B. A zygote
- C. The amnion
- D. Germ layers
Explanation
The correct answer is germ layers. Gastrulation leads to the formation of the three primary germ layers: ectoderm, mesoderm, and endoderm. These layers give rise to various tissues and organs in the developing embryo, laying the foundation for its overall structure and complexity.
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Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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