New, inheritable characteristics can result
i. the recombination of genes during meiosis.
ii. the formation of daughter cells during mitosis.
iii. mutations in the genes found in sex cells.
iv. mutations in the genes found in non-sex cells.

The answer is option b.

Wikipedia aswell can be used to solve the following questions

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.

The answer is b, as with an inference you make a statement with no evidence