In a 2003 Study Looking at Histocompatibility Complex Genes, Symmetry

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) men preferred T-shirts from women with similar MHC.
B) men preferred T-shirts from women with dissimilar MHC.
C) women preferred T-shirts from men with similar MHC.
D) men preferred T-shirts from asymmetrical women.