Answer:
D
Explanation:
Due to high demands, not much is supplied
Chromosomes, A, contain the DNA within a cell.
The correct answer here would be C.
A monopoly of market means that a certain company or a trust controls a particular branch of the market. It means there are no other competitors supplying the same kind of products and the one who has the monopoly basically can do whatever he wants product wise. This suffocates the free market and competition which leads to better prices and better products and variety.