Answer:
<em>Option 4, an autoimmune disorder, is the correct answer.</em>
Explanation:
An autoimmune disorder can be described as a disorder in which the immune cells of a body attack the own cells of a body.
Lupus can be described as an autoimmune disease which is long termed. In this disorder, a person's immune system attacks its own healthy cells. The immune system is unable to differentiate between the pathogenic cells and the healthy cells of the body. As a result, tissue damage is caused.
Answer:
Gene
Explanation:
A segment of a DNA molecule (a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual. A gene is the basic unit of heredity in a living organism
