After Having Cereal and Nut Mix for Breakfast, Your Friend

question 11

Multiple Choice

After having cereal and nut mix for breakfast, your friend realizes that the mix contains a nut to which she is allergic. Soon afterward, symptoms of an allergic reaction start to appear, and she is going to take an antihistamine pill to alleviate them. During the allergic reaction in her body, …

• A) mast cells synthesize and secrete IgE antibodies into the blood.
• B) the allergen molecules bind to IgE antibodies that are bound to Fc receptors on the surface of basophils and mast cells.
• C) histamine and other amines are recognized by IgE antibodies.
• D) histamine binds to mast cells and induces IgE production.
• E) All of the above.

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Definitions:

Gene Locus

The specific fixed position on a chromosome where a particular gene or genetic marker is located, essential in genetics for identifying gene variations.

Tongue Rolling

The ability to roll the tongue into a U-shape, considered to be a genetic trait.

Mendel's Law

Principles established by Gregor Mendel explaining the inheritance patterns of traits through genetic factors passed from parents to offspring.

Segregation

The process during meiosis where homologous chromosomes are separated into different gametes, ensuring genetic diversity.