Which of the Following Statements Correctly Describes the Coefficient of Relatedness

question 4

Multiple Choice

Which of the following statements correctly describes the coefficient of relatedness (r) ?

• A) It measures the maximum degree of relatedness between the actor and the recipients.
• B) It measures the average degree of relatedness between the actor and the recipients.
• C) It indicates the probability that two randomly chosen individuals share the same genetic trait.
• D) It is a measure of likelihood that two individuals are members of the same species.

---

Definitions:

Memory Cells

Immune cells that remember past infections and can quickly respond to subsequent exposures to the same pathogen.

Antigen

A substance that, when introduced into the body, causes an immune response, often involving the production of antibodies.

Lymphocytes

Granular leukocytes formed in lymphoid tissue. Lymphocytes are generally small. See T Lymphocyte and B Lymphocyte.

Interferon

A protein that blocks viruses from infecting cells.