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During organogenesis, _______ is the process that results in the formation of the central nervous system.
The formation of three germ layers takes place in ________ stages of the embryonic development
Somites are a set of bilaterally paired blocks of ____________ that give rise to the muscle cells and connective tissue in the body.
Cells transplanted from the neural tube of a frog are fully determined to:
In chickens, the formation of extraembryonic membranes is one of the most important_______adaptaions for the ability to lay eggs in an arid environment rather than in water.
Which one of the following is not true about cortical reactions
In humans, early blastomeres can form a complete embryo if isolated. This becomes the basis for the formation of
