Mutations that affect only the individual in which they occur are called mutations; mutations are passed from parent to offspring.

Somatic; Germ line

Explanation:

Somatic mutations are the type of mutations that do not affect offspring or are not passed to the next generation. the occur mostly in the body cells/ somatic cells. Such mutations can be passed to daughter cells during mitosis but can not be passed to offspring via sexual reproduction. Germline mutations occurs in the germ line cells which gives rise to cells that are passed down to offspring. Germline cells gives rise to the sex cells that which are passed to offspring through the process of sexual reproduction involving the egg and the sperm.

the backbone of the dna and rna compound is sugar phosphate.