Which of the Following Is Primarily Used to Determine Fetal

question 75

Multiple Choice

Which of the following is primarily used to determine fetal age, position of the fetus and placenta, and possible developmental problems?

• A) ultrasound
• B) amniocentesis
• C) alpha-fetoprotein test
• D) chorionic villus sampling

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Definitions:

Amino Acid

Organic molecule composed of an amino group and an acid group; covalently bonds to produce peptide molecules.

DNA Sequence

The order of nucleotides in a segment of DNA, determining genetic information.

Active Genes

Sections of DNA that are being transcribed and translated into proteins, influencing the traits of an organism.

Heterochromatin

A tightly packed form of DNA, which is transcriptionally inactive, aiding in maintaining the DNA's structural integrity.