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Developmental biology

Introduction to developmentCellular specialization (differentiation)Zygote differentiating into somatic and germ cellsEmbryonic stem cells
Frog development examplesHomeotic genes

About this unit

Did you know that a frog starts out as a single cell? In fact, so do dogs, elephants, and even human beings! Learn how multicellular organisms end up with many different cell types, organized into the tissues and organs of the body.
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Amgen FoundationAmgen Foundation