The Basis of an Allergic Reaction Is the Release of ____________

question 207

Multiple Choice

The basis of an allergic reaction is the release of ____________ from basophils in the blood and mast cells in the connective tissue.

• A) fibrin
• B) stem cells
• C) interleukin
• D) histamine

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Definitions:

Heterozygotes

Individuals having two different alleles of a particular gene, resulting in a mixture of genetic traits.

Null Hypothesis

A default hypothesis that there is no significant difference or effect, used as a starting point for statistical significance testing.

Allele Frequencies

The proportion of different genetic variants of a gene in a population, denoting the genetic diversity at that specific locus.

Mutation-Selection Balance

An evolutionary principle describing the equilibrium achieved when the rate of new mutations equals the rate of removal of disadvantageous alleles by natural selection.