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Question : A fertilised egg is a blue print for future development. Justify the statement.

Answer»

Solution :After fertilisation the repeated cell division takes PLACE in the ovum and it forms zygote. The cells formed by cleavage are known as blastomeres. By repeated cleavage the zygote transforms into a solid MASS of cells which resemble the mulberry fruit known as morula. The morula then forms blastula and then to gastrula. Upto this stage the cells are ENDIF ferentiated. After this stage the cells begin to differentiate and form different organs. So it is SAID that a FERTILIZED egg is a blue print for future development.


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