A Human Cell with Two Barr Bodies and No Y

question 32

Multiple Choice

A human cell with two Barr bodies and no Y chromosome is from

• A)a male with two X chromosomes.
• B)a female with three X chromosomes.
• C)a chromosomally normal female.
• D)a chromosomally normal male.

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Definitions:

Progesterone

A hormone produced in the ovaries, placenta, and adrenal glands that plays a key role in the menstrual cycle and maintaining the early stages of pregnancy.

Uterine Lining

refers to the layer of cells lining the uterus, known as the endometrium, which thickens during the menstrual cycle to prepare for potential pregnancy and sheds during menstruation if pregnancy does not occur.