The formation of primitive streak occurs during which stage of embryogenesis?
- Blastula
- Gastrula
- Neurula
- None of the above
Explanation
The formation of the primitive streak occurs during the gastrula stage of embryogenesis.
The primitive streak is a crucial structure that appears at the beginning of gastrulation,
A stage where the three germ layers (ectoderm, mesoderm, and endoderm) are established.
It serves as a pathway for cells to migrate and differentiate into these germ layers
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قدیم تہذیبوں اور معاشروں کا مطالعہ کیا کہلاتا ہے؟
- Anthropology
- History
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- None of these
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