Concept Of Differentiation | Spemann Experiment | Growth And Development | Class 12 (Urdu/Hindi)

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About This Video ........................

In This Video Lecture You Will Learn Basic Concept Of Concept Of Differentiation
A fertilized egg contains cytoplasmic components that are unequally distributed within
embryo from which the piece of ectoderm was removed , was unable to form normal
the egg. These diferent cytoplasmic components are believed to have morphogenetic
He took out piece of ectoderm from frog’s embryo and grew it in a separate dish. The
determinants that control the functioning of a speciic cell type. This is now called
In order to understand the concept of diferentiation, Spemann performed a series of
nervous system but has a defective nervous system. Similarly , the isolated piece did not
experiments on amphibian embryo.
individual but it is diicult to see, how these cells diferentiate.
its original piece . The frog did not develop any nervous system. So it was proved that
mesoderm had some efect on the ectoderm to simulate the ectoderm cells to form
diferentiation.Zygote contains complete information for the development of an
he separated the mesoderm underlying ectoderm and folded the lap of ectoderm to
develop any structure even though it was active and healthy . In another experiment ,
nervous system.

About This Channel.....................

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