Mutations may change the structure of a chromosome or just change a single nucleotide.
Most mutations are beneficial to the organism.
Changing the structure of a chromosome can be beneficial to the organism.
Changing the structure of a chromosome can be what to an organsim?
Options:
a: massive damage
b: mechanical
c: beneficial
d: harm them
e: negative
f: dangerous
g: homogenous
h: Damages them