Answer:b
Explanation:
It will only be found in some cells because when a mutation is formed it will most likely not be able to spread
2, they line up to form a polypeptide chain this forms part of a protein molecule.
Answer:
They used artificial selection
Explanation:
Breeding animals who had desirable or good traits. For example, they bred cows who produced the most milk and plants that produced the most vegetables. :))
The continued presence of vestigial structures suggests that these structures do not have a great impact on fitness, like in the whale, because even with these structures, the whale has been able to survive and reproduce.
