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Unformatted text preview: DNA. They
our DNA. When
replicates, so does
theirs. HLA antigens are found on almost
all cells of the body.
• HLA antigens are
types of large
on the surface of
the T cells that
also recognize and
invaders. Syphilis, plague, cholera, etc.
• Spurious association of diseases with
• Correlation ≠ causation
• Diseases only endemic in very large
populations: too recent to pattern blood
groups. Why so man...
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- Fall '11