Mutations may change the structure of a chromosome or just change a single nucleotide.
Nucleotides are the building blocks of dna .
Mutations may change the structure of the building blocks of dna.
mutations may change the structure of the what of DNA?
a. personalities
b. mutations
c. solid, liquid, gas
d. building blocks
e. gastropod shells
f. Veins and arteries.
g. hosts
h. an organism's body