The Complement Cascade Can Be Turned on by
A) IgG $\alpha$

question 5

Multiple Choice

The complement cascade can be turned on by

• A) IgG or IgM bound to the surface of bacteria
• B) TNF-\(\alpha\)
• C) Chemokines
• D) Interleukins
• E) Throm bin

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Definitions:

Heterozygote Advantage

A phenomenon in which the heterozygous condition confers some special advantage on an individual that either homozygous condition does not (i.e., Aa has a higher degree of fitness than does AA or aa).

Chorionic Villus Sampling

A prenatal test where samples of the chorionic villi are taken to test for genetic disorders in the fetus.

Amniocentesis

Sampling of the amniotic fluid surrounding a fetus to obtain information about its development and genetic makeup. Compare with chorionic villus sampling.

Pedigrees

A diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors from one generation to the next, used in genetics.