A Barr Body Is

question 55

Multiple Choice

A Barr body is:

• A)An inactive Y chromosome
• B)An inactive autosome
• C)An active X chromosome
• D)An active Y chromosome
• E)An inactive X chromosome

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Definitions:

Radiopaque

Impenetrable to the X-ray or other forms of radiation.

Impenetrable

Impossible to pass through or enter, often used to describe dense materials or abstract concepts like complex theories.

Radiation

The emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.

Mammogram

An X-ray examination of the breast used to detect and diagnose breast diseases, especially breast cancer, in women.