Google Answers: Embryology/ Early Development

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Q: Embryology/ Early Development ( No Answer, 1 Comment )

Question

Subject: Embryology/ Early Development
Category: Science > Biology
Asked by: studento-ga
List Price: $5.00

Posted: 15 Sep 2005 06:10 PDT
Expires: 15 Oct 2005 06:10 PDT
Question ID: 568313

is the Inner Cell Mass (ICM) maternally or paternally derived? What
about trophoblastic cells?

Answer

There is no answer at this time.

Comments

Subject: Re: Embryology/ Early Development
From: pforcelli-ga on 15 Sep 2005 16:43 PDT

Both the ICM and trophectoderm are in a sense derived both maternally
and paternally.  They are the product of repeated cell divisions
following fertilization. The ICM/trophectoderm is simply the first
differentiation event that occurs in a developing embryo.

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