Answer:
Explanation:
infectious diseases can spread in a variety of ways: through the air, from direct or indirect contact with another person, soiled objects, skin or mucous membrane, saliva, urine, blood and body secretions, through sexual contact, and through contaminated food and water.
Hope it helps
Answer:
A dominant trait is a trait that overpowers, a recessive trait is more rare.
Explanation:
Dominant traits are the most common trait in a pair. They will be seen the most often in offspring. Recessive traits are usually repressed traits that the parents had that were not previously visible
This can cause mutations, these mutations can be helpful,harmless or they can be harmful.
