The transitory stage between cleavage and gastrulation is:
Correct answer: B. Blastula
- A. Orgenogenesis
- B. Blastula
- C. Gastrula
- D. Development
Explanation
Zygote develops by a sequence of mitotic division, called cleavage, into a multicellular structure, first a solid ball of cells the module, and then a hollow ball of cells the blastula.
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