An egg's shell, composed mainly of calcium and protein, serves to protect the embryo until the ...

An egg's shell, composed mainly of calcium and protein, serves to protect the embryo until the ____________________ process is complete and the chick hatches.
 
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Question 2

In egg production, mineral salts are added to the egg in the ____________________, and the inner and outer shell membranes form.
 
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Question 3

Cells in the magnum secrete a substance called ____________________, which develops into the white of the egg.
 
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Question 4

In chickens, egg production begins with the release of the ____________________ from the ovary
 
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Question 5

Dark birds have spots of color or ___________________ where feathers were removed after slaughter.
 
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