1. Embryonic development occurs during this period. A. from the ninth week of gestation to birth B. from fertilization to implantation C. from implantation to the end of the eighth week of gestation D. from conception to birth 2. Part of the gastrulation phase includes the formation of germ layers that will...   A. go on to form the placenta. B. form the ectoderm, mesoderm, and endoderm that will become specific tissues and organs. C. spread disease. D. produce the amniotic fluid.

Anatomy & Physiology
1st Edition
ISBN:9781938168130
Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Chapter28: Development And Inheritance
Section: Chapter Questions
Problem 12RQ: What would happen if the trophoblast did not secrete hCG upon implantation of the blastocyst? Tire...
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1. Embryonic development occurs during this period.

A. from the ninth week of gestation to birth

B. from fertilization to implantation

C. from implantation to the end of the eighth week of gestation

D. from conception to birth

2. Part of the gastrulation phase includes the formation of germ layers that will...

 

A. go on to form the placenta.

B. form the ectoderm, mesoderm, and endoderm that will become specific tissues and organs.

C. spread disease.

D. produce the amniotic fluid.

 

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