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Which Process Identifies Genetic Defects by Examining a Small Sample

question 20

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Which process identifies genetic defects by examining a small sample of fetal cells drawn by a needle inserted into the amniotic fluid?


Definitions:

Serous Fluid

Fluid similar to lymph that is produced by and covers serous membrane; it lubricates the serous membrane.

Mucus

A slippery secretion produced by mucous membranes, serving to protect and lubricate surfaces.

Basement Membrane

A thin layer of extracellular matrix that separates epithelial or endothelial cells from the underlying connective tissue, providing support and regulation.

Hemidesmosomes

Specialized cell structures involved in the attachment of a cell to the extracellular matrix or basement membrane.

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