Question:
Embryos of protostomes are called:
Embryos of protostomes are called:
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Protostomes = mosaic embryos (early cell fate fixed); Deuterostomes = regulative embryos (early cell fate flexible).
Updated On: May 17, 2025
- Regulative embryos
- Positive embryos
- Mosaic embryos
- Radial embryos
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The Correct Option is C
Solution and Explanation
- In protostomes, embryonic development is determinant and spiral.
- Their embryos are called mosaic embryos because each cell’s fate is determined early; removing a cell will result in an incomplete organism.
- In contrast, deuterostomes (like chordates) form regulative embryos, where the early embryo can compensate for cell loss.
- Their embryos are called mosaic embryos because each cell’s fate is determined early; removing a cell will result in an incomplete organism.
- In contrast, deuterostomes (like chordates) form regulative embryos, where the early embryo can compensate for cell loss.
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