The Thin Outer Ring of Cells on a Blastocyst, Termed

question 102

Multiple Choice

The thin outer ring of cells on a blastocyst, termed the trophoblast, will become the

• A) new organism's skin and hair.
• B) structures that provide protective covering and nourishment.
• C) embryonic disk.
• D) nervous system and skin.

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Definitions:

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The extent to which a test yields consistent results, as assessed by the consistency of scores on two halves of the test, on alternative forms of the test, or on retesting.