QueenBeBe4603 QueenBeBe4603
  • 02-10-2017
  • Biology
contestada

During chick gastrulation, what germ-layer regions remain external and do not move inward?

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W0lf93
W0lf93 W0lf93
  • 13-10-2017
Opaca and Marginal zone stays outer and does not move during chick gastrulation, The zone opaca is a thick fringe ring comprising of more than one cell, it is joined to the germ wall. The Marginal zone lies at the fringe between the range opaca and the region pellucida
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