Deletion- the fact that a codon is missing implies that the nucleotides were deleted.
Answer:
mutations cause most cases of cancer. Some acquired mutations can be caused by things that we are exposed to in our environment, including cigarette smoke, radiation, hormones, and diet. Other mutations have no clear cause, and seem to occur randomly as the cells divide.
Uracil pairs with adenine in RNA base
Answer:
D. number of individuals in a species
