A Primary Immune Response Is

question 47

Multiple Choice

A primary immune response is

• A)the immune response elicited by the primary antigen of a disease-causing microorganism.
• B)the immune response elicited by the primary antibodies of a disease-causing microorganism.
• C)the immune response elicited by the first exposure of lymphocytes to a particular antigen.
• D)the immune response elicited by the first exposure of memory cells to a particular antigen.

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Definitions:

Identical Twins

Twins who developed from a single zygote that then split and formed two embryos, sharing 100% of their DNA.

Biological Parents

The parents who have conceived and given birth to, or biologically fathered a child, as opposed to adoptive or step-parents.

Fraternal Twins

Siblings born at the same time who are genetically as similar as regular siblings because they come from two different eggs fertilized by two different sperm.

Polygenetic

Relating to the contribution of multiple genes in the determination of a particular trait or characteristic, often resulting in a wide spectrum of possible outcomes.