According to the principle of dominance, a. the genotype for a trait will always mask the phenotype b. dominant genes will always be masked by recessive genes c. recessive genes will always be masked by dominant genes

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.