Which of the Following Scenarios Is an Example of an Allotypic

question 65

Multiple Choice

Which of the following scenarios is an example of an allotypic difference?

• A) A single amino acid change gives rise to a new form of IgG antibody in humans.
• B) Humans and dogs have slightly different immunoglobulins.
• C) A human is able to generate antigen specificity by rearranging genes.
• D) There are five major classes of immunoglobulins within an individual.

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