An Autoimmune Response Is Generated Within the Host When

question 32

Multiple Choice

An autoimmune response is generated within the host when

• A) immune tolerance against self is lost.
• B) immune cells attack foreign antigens.
• C) NK cells bind host tissue.
• D) T cells deactivate self-reacting B cells.

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Definitions:

Nondisjunction

A genetic anomaly during cell division where chromosomes fail to separate properly, leading to gametes with abnormal numbers of chromosomes.

XY Pair

Refers to the male sex chromosomes in humans and most other mammals where XY denotes a male genotype.

Reciprocal Translocation

A genetic phenomenon where parts of two different chromosomes exchange places without changing the total amount of genetic material.

Homologous Chromosomes

Pairs of chromosomes in a diploid organism that are similar in shape, size, and genetic content but may carry different alleles.