In a Study of Twins, a Researcher Finds That 40

question 60

Multiple Choice

In a study of twins, a researcher finds that 40 percent of dizygotic (DZ) twins and 40 percent of monozygotic (MZ) twins share a trait. What is the researcher most likely to conclude about the trait?

• A) It is 40 percent concordant.
• B) It is 60 percent concordant.
• C) It is genetically determined.
• D) It is not genetically determined.

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Definitions:

Wash Hands

The act of cleaning one's hands with soap and water to remove dirt, germs, and other contaminants.

Gloves

Protective gear worn on the hands to prevent contamination and protect against infections and hazardous materials.

Auscultating Heart Sounds

The act of listening to the heart's sounds using a stethoscope to assess its function and detect possible abnormalities.

Heart Murmur

A sound, heard through a stethoscope, indicating turbulent blood flow within the heart, which can signify a variety of heart conditions.