What happens if the nucleotides are copied incorrectly during dna replication? explain what you think might occur to that cell/individual

Errors during DNA replication will result in mutations. Mutations are changes that can be either positive or negative. There are two examples of mutations that take place: point mutations and frameshift mutations.

A point mutation occurs when a single nucleotide changes and causes potential changes in a protein. There are three types of point mutations. They are called silent, missense, and nonsense.

Silent: DNA changes - RNA changes - Amino acid no change

Missense: DNA changes - RNA changes - Amino acid changes

Nonsense: DNA changes - RNA changes - Early stop codone

A frameshift mutation occurs when a nucleotide is either added or deleted from original DNA or RNA strands. These cause the length of the gene to be altered, ultimately creating a shift in the codone reading frame. This type of mutation results in diseases such as Tay-Sachs, which destroys nerve cells located in the brain and spinal cord.

i think the answer is a.keratin is the pigment responsible for skin color.

garbage disposal because lysosomes dispose of old cell parts like garbage disposals dispose of old food.