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After fertilisation, the zygote begins to divide repeatedly. The structure formed by this dividing ball of cells, with cells starting to specialise into tissues, is called:
AEmbryo
BFoetus
CLarva
DBud
Answer & Solution
Correct answer: A. Embryo
The zygote → embryo (ball of cells, cells starting to form tissues) → foetus (all body parts identifiable). The embryo embeds itself in the uterus wall for further development.
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