Answer:
The initial immune response involves cells of the body's innate immune system, such as macrophages and neutrophils. ... Sometimes, they are even called “soldier” cells. When T cells specifically recognize influenza virus proteins, they then begin to proliferate in the lymph nodes around the lungs and throat.
Information from:
earthsky.org
Its a 25 75 thing less then half is color blind so no its not rare and also there minds are more on edge.
Answer:
C- Parental traits blend like colors of paint to produce offspring
Explanation:
Hope this will help
The statement that influenza is a virus that changes over time due to mutations is TRUE.
Because of the mutation changes during time the influenza virus constantly adapts to the changes in the environment.
The virus can mutate it two ways: Antigenic Drift (gradual mutations in the genes) and Antigenic Shift (a sudden change in the surface of the virus).