Development of the Pancreas in an Embryo into a Dual

question 36

Multiple Choice

Development of the pancreas in an embryo into a dual gland that has both exocrine and endocrine functions begins when

• A)insulin is produced and bathes stem cells.
• B)a transcription factor stimulates progenitor cells to give rise to exocrine or endocrine cells.
• C)a globin gene duplicates and gives rise to alpha and beta globin genes.
• D)progenitor cells become stem cells.

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