When the dominant and recessive traits are known, why is it not necessary to use the term homozygous when referring to the genotype of an individual with a recessive phenotype?

Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. once a virus gains entry into the body, it invades a host cell in order to? a. synthesize antibodies for defense b. deactivate the host cell's defenses c. access cell processes for reproduction d. metabolize host proteins and grow