In a 2003 Study Looking at Histocompatibility Complex Genes, Symmetry

question 6

Multiple Choice

In a 2003 study looking at histocompatibility complex genes, symmetry, and body scent attractiveness in men and women, researchers asked 200 males and females to provide a blood sample to assess their major histocompatibility complex (MHC) gene, then to sleep a new clean T-shirt for two nights. Researchers also took photos of the males and females to document left- and right-side body symmetry. When the participants were asked about attractiveness, their answers indicated that the:

• A) women who were using birth control, and were in the most fertile part of their menstrual cycle, preferred asymmetrical men's scent over symmetrical men's scent.
• B) women who were not using a birth control, but were in the most fertile part of their menstrual cycle, preferred asymmetrical men's scent over symmetrical men's scent.
• C) women who were using a birth control, and were in the most fertile part of their menstrual cycle, preferred symmetrical men's scent over asymmetrical men's scent.
• D) women who were not using a birth control, and were in the most fertile part of their menstrual cycle, preferred symmetrical men's scent over asymmetrical men's scent.

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Definitions:

Cerebellum

A hindbrain structure behind the medulla and pons; this structure is essential for coordinated movement and balance.

Coordination

involves the organization of different elements or activities to enable them to work together effectively toward a common goal.

Balance

A state of equilibrium or equipoise; physically, it refers to the ability to maintain bodily stability, and metaphorically, it can refer to a state of emotional or cognitive stability.

Forebrain

The anterior part of the brain, including the cerebral hemispheres, the thalamus, and the hypothalamus, involved in complex behavioral and cognitive processes.