Embryonic development is orchestrated by a cascading series of genes,the expression of many of which are controlled in time and space by transcription factors and effector molecules of various kinds.But what controls the expression of the first regulatory genes to be transcribed in the newly fertilized zygote?

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The Answer of Embryonic development is orchestrated by a cascading series of genes,the expression of many of which are controlled in time and space by transcription factors and effector molecules of various kinds.But what controls the expression of the first regulatory genes to be transcribed in the newly fertilized zygote?

Embryonic Development Is Orchestrated by a Cascading Series of Genes,the